from pres
This commit is contained in:
parent
4a0ac4a74b
commit
53ee3577a1
@ -235,18 +235,21 @@
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},
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{
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"cell_type": "code",
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"execution_count": 10,
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"execution_count": 5,
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"id": "5022b7c8-a19f-45cb-9d40-58abc48de961",
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"metadata": {
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"tags": []
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},
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"outputs": [
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{
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"ename": "SyntaxError",
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"evalue": "expected 'except' or 'finally' block (572013031.py, line 6)",
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"ename": "NameError",
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"evalue": "name 'd' is not defined",
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"output_type": "error",
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"traceback": [
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"\u001b[0;36m Cell \u001b[0;32mIn[10], line 6\u001b[0;36m\u001b[0m\n\u001b[0;31m print(\"hello\")\u001b[0m\n\u001b[0m ^\u001b[0m\n\u001b[0;31mSyntaxError\u001b[0m\u001b[0;31m:\u001b[0m expected 'except' or 'finally' block\n"
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"\u001b[0;31m---------------------------------------------------------------------------\u001b[0m",
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"\u001b[0;31mNameError\u001b[0m Traceback (most recent call last)",
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"Cell \u001b[0;32mIn[5], line 5\u001b[0m\n\u001b[1;32m 3\u001b[0m b \u001b[38;5;241m=\u001b[39m \u001b[38;5;241m0\u001b[39m\n\u001b[1;32m 4\u001b[0m \u001b[38;5;66;03m#c = a / b\u001b[39;00m\n\u001b[0;32m----> 5\u001b[0m \u001b[38;5;28mprint\u001b[39m(\u001b[43md\u001b[49m)\n\u001b[1;32m 6\u001b[0m \u001b[38;5;28mprint\u001b[39m(\u001b[38;5;124m\"\u001b[39m\u001b[38;5;124mlast line of try\u001b[39m\u001b[38;5;124m\"\u001b[39m)\n\u001b[1;32m 7\u001b[0m \u001b[38;5;28;01mexcept\u001b[39;00m \u001b[38;5;167;01mZeroDivisionError\u001b[39;00m:\n",
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"\u001b[0;31mNameError\u001b[0m: name 'd' is not defined"
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]
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}
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],
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@ -254,11 +257,14 @@
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"try:\n",
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" a = 3\n",
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" b = 0\n",
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" c = a / b\n",
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" #c = a / b\n",
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" print(d)\n",
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" print(\"last line of try\")\n",
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"except ZeroDivisionError:\n",
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" c = 0\n",
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" print(f\"can't divide by zero, set c = {c}\")\n",
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"#except NameError:\n",
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"# print(\"used unknown name\")\n",
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"print(\"and then this happens\")"
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]
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},
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@ -274,7 +280,7 @@
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"```python\n",
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"# multiple except blocks for different behaviors\n",
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"try:\n",
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" something():\n",
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" something()\n",
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"except ValueError:\n",
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" ...\n",
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"except IndexError:\n",
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@ -284,7 +290,7 @@
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"```python\n",
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"# one block w/ multiple types in a tuple\n",
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"try:\n",
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" something()\n",
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" somthing()\n",
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"except (ValueError, IndexError, KeyError): # tuple of return values\n",
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" ...\n",
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"```\n",
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@ -293,9 +299,10 @@
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"# base exception type, use sparingly\n",
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"try:\n",
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" something()\n",
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"except ArithmeticError: # catches all errors derived from ArithmeticError\n",
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" ...\n",
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"except Exception: # catches all runtime exceptions\n",
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" ...\n",
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"except ArithmeticError: # catches all errors derived from ArithmeticError\n",
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"```\n",
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"\n",
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"\n",
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@ -328,7 +335,7 @@
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},
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{
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"cell_type": "code",
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"execution_count": 12,
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"execution_count": 7,
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"id": "fd6d0e12-eae2-466e-8536-db5d246091f0",
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"metadata": {},
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"outputs": [],
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@ -341,7 +348,7 @@
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},
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{
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"cell_type": "code",
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"execution_count": 10,
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"execution_count": 20,
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"id": "58c691a9-14ed-4fe1-9b0d-eb9b52a4d44d",
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"metadata": {},
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"outputs": [
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@ -351,7 +358,7 @@
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"9"
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]
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},
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"execution_count": 10,
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"execution_count": 20,
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"metadata": {},
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"output_type": "execute_result"
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}
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@ -362,25 +369,42 @@
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},
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{
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"cell_type": "code",
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"execution_count": 11,
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"execution_count": 27,
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"id": "5fd8e7ee-53c6-4cd1-8748-cd66f06da9ac",
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"metadata": {},
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"outputs": [
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{
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"ename": "ValueError",
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"evalue": "f requires a positive argument",
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"output_type": "error",
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"traceback": [
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"\u001b[0;31m---------------------------------------------------------------------------\u001b[0m",
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"\u001b[0;31mValueError\u001b[0m Traceback (most recent call last)",
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"Cell \u001b[0;32mIn[11], line 1\u001b[0m\n\u001b[0;32m----> 1\u001b[0m \u001b[43mf\u001b[49m\u001b[43m(\u001b[49m\u001b[38;5;241;43m-\u001b[39;49m\u001b[38;5;241;43m1\u001b[39;49m\u001b[43m)\u001b[49m\n",
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"Cell \u001b[0;32mIn[9], line 3\u001b[0m, in \u001b[0;36mf\u001b[0;34m(positive)\u001b[0m\n\u001b[1;32m 1\u001b[0m \u001b[38;5;28;01mdef\u001b[39;00m \u001b[38;5;21mf\u001b[39m(positive):\n\u001b[1;32m 2\u001b[0m \u001b[38;5;28;01mif\u001b[39;00m positive \u001b[38;5;241m<\u001b[39m \u001b[38;5;241m0\u001b[39m:\n\u001b[0;32m----> 3\u001b[0m \u001b[38;5;28;01mraise\u001b[39;00m \u001b[38;5;167;01mValueError\u001b[39;00m(\u001b[38;5;124m\"\u001b[39m\u001b[38;5;124mf requires a positive argument\u001b[39m\u001b[38;5;124m\"\u001b[39m)\n\u001b[1;32m 4\u001b[0m \u001b[38;5;28;01mreturn\u001b[39;00m positive \u001b[38;5;241m*\u001b[39m positive\n",
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"\u001b[0;31mValueError\u001b[0m: f requires a positive argument"
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"name": "stdout",
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"output_type": "stream",
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"text": [
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"got an error: f requires a positive argument\n"
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]
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}
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],
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"source": [
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"f(-1)"
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"try:\n",
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" y = f(-1)\n",
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"except ValueError as exc:\n",
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" y = 0\n",
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" print(\"got an error: \", exc)"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 26,
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"id": "769fb253-ae47-4e47-a6fd-9a37e1ef3d5e",
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"metadata": {},
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"outputs": [
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{
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"name": "stdout",
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"output_type": "stream",
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"text": [
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"0\n"
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]
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}
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],
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"source": [
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"print(y)"
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]
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},
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{
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@ -404,6 +428,7 @@
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"source": [
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"class InvalidColor(Exception):\n",
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" \"\"\" This exception is raised when an invalid color is passed. \"\"\"\n",
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" pass\n",
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"\n",
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"VALID_COLORS = (...)\n",
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"\n",
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@ -448,7 +473,7 @@
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},
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{
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"cell_type": "code",
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"execution_count": 18,
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"execution_count": 30,
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"id": "320d3309-099a-4f2e-9096-983101bfc157",
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"metadata": {},
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"outputs": [
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@ -456,21 +481,22 @@
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"name": "stdout",
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"output_type": "stream",
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"text": [
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"got a value error error message\n",
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"else executed\n",
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"always prints at the end\n"
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]
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}
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],
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"source": [
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"try:\n",
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" #pass\n",
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" raise ValueError(\"error message\")\n",
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" 1 / 2\n",
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"except ValueError as e:\n",
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" print(\"got a value error\", e)\n",
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" print(\"got a value error:\", e)\n",
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"except Exception as e:\n",
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" print(\"got some other error:\", type(e), e)\n",
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"else:\n",
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" print(\"no exception raised\")\n",
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" print(\"else executed\")\n",
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"finally:\n",
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" print(\"always prints at the end\")"
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" print(\"always prints at the end\")\n"
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]
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},
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{
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@ -14,7 +14,7 @@
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},
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{
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"cell_type": "code",
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"execution_count": 9,
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"execution_count": 1,
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"id": "feaa69a2",
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"metadata": {
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"tags": []
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@ -38,6 +38,7 @@
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" self.year = 1\n",
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" self.major = \"Undeclared\"\n",
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" self.course_grades = {}\n",
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" self.extracurriculars = []\n",
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" \n",
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" def add_grade(self, course_name, grade):\n",
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" self.course_grades[course_name] = grade\n",
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@ -55,7 +56,7 @@
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},
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{
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"cell_type": "code",
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"execution_count": 10,
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"execution_count": 45,
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"id": "c410fb1d",
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"metadata": {
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"tags": []
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@ -70,7 +71,7 @@
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},
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{
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"cell_type": "code",
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"execution_count": 11,
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"execution_count": 46,
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"id": "f9deab26",
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"metadata": {
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"tags": []
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@ -80,8 +81,8 @@
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"name": "stdout",
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"output_type": "stream",
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"text": [
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"Student(name=Adam, id=1, gpa=0)\n",
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"Student(name=Beth, id=2, gpa=3.65)\n"
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"Student(name=Adam, id=8, gpa=0)\n",
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"Student(name=Beth, id=9, gpa=3.65)\n"
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]
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}
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],
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@ -168,7 +169,7 @@
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},
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{
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"cell_type": "code",
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"execution_count": 12,
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"execution_count": 49,
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"id": "47f7dfc9",
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"metadata": {
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"tags": []
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@ -187,7 +188,8 @@
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" \n",
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" # overrides parent's add_grade\n",
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" def add_grade(self, course_name, grade):\n",
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" print(\"Sorry, you cannot add grades to Alums\")\n",
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" raise NotImplementedError(\"cannot add grades to Alum\")\n",
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" #print(\"Sorry, you cannot add grades to Alums\")\n",
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" # we choose not call super().add_grade here\n",
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" \n",
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" # overrides parent's __repr__\n",
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@ -200,7 +202,7 @@
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},
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{
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"cell_type": "code",
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"execution_count": 13,
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"execution_count": 51,
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"id": "4811b0fd",
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"metadata": {
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"tags": []
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@ -210,9 +212,8 @@
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"name": "stdout",
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"output_type": "stream",
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"text": [
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"Student(name=Charlie, id=3, gpa=0) is an alum\n",
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"6 years since graduation\n",
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"Sorry, you cannot add grades to Alums\n"
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"Student(name=Charlie, id=13, gpa=0) is an alum\n",
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"6 years since graduation\n"
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]
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},
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{
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@ -221,7 +222,7 @@
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"0"
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]
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},
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"execution_count": 13,
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"execution_count": 51,
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"metadata": {},
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"output_type": "execute_result"
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}
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@ -230,13 +231,13 @@
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"alum1 = Alum(\"Charlie\", 2016)\n",
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"print(alum1)\n",
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"print(alum1.years_since_graduation(2022), \"years since graduation\")\n",
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"alum1.add_grade(\"Python\", \"B\")\n",
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"#alum1.add_grade(\"Python\", \"B\")\n",
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"alum1.gpa"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 16,
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"execution_count": 54,
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"id": "18a75666-9986-4e2b-9d55-ec0e0b9e930d",
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"metadata": {
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"tags": []
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@ -248,13 +249,27 @@
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"execution_count": 56,
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"id": "b6719a36-b827-4373-87e0-23714438b83f",
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"metadata": {
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"tags": []
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},
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"outputs": [],
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"source": []
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"outputs": [
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{
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"ename": "TypeError",
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"evalue": "unsupported operand type(s) for +: 'Alum' and 'Alum'",
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"output_type": "error",
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"traceback": [
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"\u001b[0;31m---------------------------------------------------------------------------\u001b[0m",
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"\u001b[0;31mTypeError\u001b[0m Traceback (most recent call last)",
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"Cell \u001b[0;32mIn[56], line 1\u001b[0m\n\u001b[0;32m----> 1\u001b[0m \u001b[43malum1\u001b[49m\u001b[43m \u001b[49m\u001b[38;5;241;43m+\u001b[39;49m\u001b[43m \u001b[49m\u001b[43malum2\u001b[49m\n",
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"\u001b[0;31mTypeError\u001b[0m: unsupported operand type(s) for +: 'Alum' and 'Alum'"
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]
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}
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],
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"source": [
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"alum1 + alum2"
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]
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},
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{
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"cell_type": "markdown",
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@ -278,7 +293,7 @@
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},
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{
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"cell_type": "code",
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"execution_count": 13,
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"execution_count": 8,
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"id": "a46d5b02",
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"metadata": {
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"tags": []
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@ -290,7 +305,7 @@
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"True"
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]
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},
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"execution_count": 13,
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"execution_count": 8,
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"metadata": {},
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"output_type": "execute_result"
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}
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@ -301,12 +316,23 @@
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"execution_count": 9,
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"id": "d3596a45-2c00-4541-910d-08251d3f9c5f",
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"metadata": {
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"tags": []
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},
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"outputs": [],
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"outputs": [
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{
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"data": {
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"text/plain": [
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"True"
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]
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},
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"execution_count": 9,
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"metadata": {},
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"output_type": "execute_result"
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}
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],
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"source": [
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"# same as?\n",
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"type(7) == int"
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@ -314,7 +340,7 @@
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},
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{
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"cell_type": "code",
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"execution_count": 6,
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"execution_count": 10,
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"id": "eaa8b6db-e7df-4137-b4c8-67dfa0be06d5",
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"metadata": {},
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"outputs": [
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@ -324,7 +350,7 @@
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"False"
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]
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},
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"execution_count": 6,
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"execution_count": 10,
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"metadata": {},
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"output_type": "execute_result"
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}
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@ -335,7 +361,28 @@
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},
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{
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"cell_type": "code",
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"execution_count": 7,
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"execution_count": 57,
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"id": "9cfc8480-ecca-4f80-9dfe-70a655bc5b3c",
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"metadata": {},
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"outputs": [
|
||||
{
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"data": {
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"text/plain": [
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"True"
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]
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},
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"execution_count": 57,
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"metadata": {},
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"output_type": "execute_result"
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}
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],
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"source": [
|
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"isinstance(7, object)"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 62,
|
||||
"id": "0e50f7bc-541e-4fec-9cd6-ad708f312831",
|
||||
"metadata": {},
|
||||
"outputs": [
|
||||
@ -345,32 +392,75 @@
|
||||
"True"
|
||||
]
|
||||
},
|
||||
"execution_count": 7,
|
||||
"execution_count": 62,
|
||||
"metadata": {},
|
||||
"output_type": "execute_result"
|
||||
}
|
||||
],
|
||||
"source": [
|
||||
"# isinstance checks the inheritance hierarchy \n",
|
||||
"isinstance(7, object)"
|
||||
"isinstance(alum2, object)"
|
||||
]
|
||||
},
|
||||
{
|
||||
"cell_type": "code",
|
||||
"execution_count": null,
|
||||
"execution_count": 64,
|
||||
"id": "34e491d5-ac5c-4dc9-b059-491e0f0f73b0",
|
||||
"metadata": {},
|
||||
"outputs": [
|
||||
{
|
||||
"data": {
|
||||
"text/plain": [
|
||||
"False"
|
||||
]
|
||||
},
|
||||
"execution_count": 64,
|
||||
"metadata": {},
|
||||
"output_type": "execute_result"
|
||||
}
|
||||
],
|
||||
"source": [
|
||||
"type(alum2) == Student"
|
||||
]
|
||||
},
|
||||
{
|
||||
"cell_type": "code",
|
||||
"execution_count": 65,
|
||||
"id": "cd55fd8d",
|
||||
"metadata": {},
|
||||
"outputs": [],
|
||||
"outputs": [
|
||||
{
|
||||
"data": {
|
||||
"text/plain": [
|
||||
"True"
|
||||
]
|
||||
},
|
||||
"execution_count": 65,
|
||||
"metadata": {},
|
||||
"output_type": "execute_result"
|
||||
}
|
||||
],
|
||||
"source": [
|
||||
"isinstance([1, 2, 3], list)"
|
||||
]
|
||||
},
|
||||
{
|
||||
"cell_type": "code",
|
||||
"execution_count": null,
|
||||
"execution_count": 17,
|
||||
"id": "feb9f2ac",
|
||||
"metadata": {},
|
||||
"outputs": [],
|
||||
"outputs": [
|
||||
{
|
||||
"data": {
|
||||
"text/plain": [
|
||||
"True"
|
||||
]
|
||||
},
|
||||
"execution_count": 17,
|
||||
"metadata": {},
|
||||
"output_type": "execute_result"
|
||||
}
|
||||
],
|
||||
"source": [
|
||||
"s1 = Student(\"Sarah\")\n",
|
||||
"isinstance(s1, Student)"
|
||||
@ -378,10 +468,21 @@
|
||||
},
|
||||
{
|
||||
"cell_type": "code",
|
||||
"execution_count": null,
|
||||
"execution_count": 18,
|
||||
"id": "e6a2f3b1",
|
||||
"metadata": {},
|
||||
"outputs": [],
|
||||
"outputs": [
|
||||
{
|
||||
"data": {
|
||||
"text/plain": [
|
||||
"True"
|
||||
]
|
||||
},
|
||||
"execution_count": 18,
|
||||
"metadata": {},
|
||||
"output_type": "execute_result"
|
||||
}
|
||||
],
|
||||
"source": [
|
||||
"# child classes are instances of parent types\n",
|
||||
"alum1 = Alum(\"Charlie\", 2016)\n",
|
||||
@ -390,10 +491,21 @@
|
||||
},
|
||||
{
|
||||
"cell_type": "code",
|
||||
"execution_count": null,
|
||||
"execution_count": 19,
|
||||
"id": "8f759efb",
|
||||
"metadata": {},
|
||||
"outputs": [],
|
||||
"outputs": [
|
||||
{
|
||||
"data": {
|
||||
"text/plain": [
|
||||
"False"
|
||||
]
|
||||
},
|
||||
"execution_count": 19,
|
||||
"metadata": {},
|
||||
"output_type": "execute_result"
|
||||
}
|
||||
],
|
||||
"source": [
|
||||
"# but not vice-versa\n",
|
||||
"isinstance(s1, Alum)"
|
||||
@ -401,7 +513,7 @@
|
||||
},
|
||||
{
|
||||
"cell_type": "code",
|
||||
"execution_count": 15,
|
||||
"execution_count": 20,
|
||||
"id": "1d52b927",
|
||||
"metadata": {
|
||||
"tags": []
|
||||
@ -414,7 +526,7 @@
|
||||
"traceback": [
|
||||
"\u001b[0;31m---------------------------------------------------------------------------\u001b[0m",
|
||||
"\u001b[0;31mTypeError\u001b[0m Traceback (most recent call last)",
|
||||
"Cell \u001b[0;32mIn[15], line 2\u001b[0m\n\u001b[1;32m 1\u001b[0m \u001b[38;5;66;03m# takes class names\u001b[39;00m\n\u001b[0;32m----> 2\u001b[0m \u001b[38;5;28;43missubclass\u001b[39;49m\u001b[43m(\u001b[49m\u001b[43malum1\u001b[49m\u001b[43m,\u001b[49m\u001b[43m \u001b[49m\u001b[43mStudent\u001b[49m\u001b[43m)\u001b[49m\n",
|
||||
"Cell \u001b[0;32mIn[20], line 2\u001b[0m\n\u001b[1;32m 1\u001b[0m \u001b[38;5;66;03m# takes class names\u001b[39;00m\n\u001b[0;32m----> 2\u001b[0m \u001b[38;5;28;43missubclass\u001b[39;49m\u001b[43m(\u001b[49m\u001b[43malum1\u001b[49m\u001b[43m,\u001b[49m\u001b[43m \u001b[49m\u001b[43mStudent\u001b[49m\u001b[43m)\u001b[49m\n",
|
||||
"\u001b[0;31mTypeError\u001b[0m: issubclass() arg 1 must be a class"
|
||||
]
|
||||
}
|
||||
@ -426,7 +538,7 @@
|
||||
},
|
||||
{
|
||||
"cell_type": "code",
|
||||
"execution_count": 16,
|
||||
"execution_count": 22,
|
||||
"id": "a71ee1cb",
|
||||
"metadata": {
|
||||
"tags": []
|
||||
@ -435,16 +547,16 @@
|
||||
{
|
||||
"data": {
|
||||
"text/plain": [
|
||||
"False"
|
||||
"True"
|
||||
]
|
||||
},
|
||||
"execution_count": 16,
|
||||
"execution_count": 22,
|
||||
"metadata": {},
|
||||
"output_type": "execute_result"
|
||||
}
|
||||
],
|
||||
"source": [
|
||||
"issubclass(Student, Alum)"
|
||||
"issubclass(Alum, Student)"
|
||||
]
|
||||
},
|
||||
{
|
||||
@ -478,7 +590,7 @@
|
||||
},
|
||||
{
|
||||
"cell_type": "code",
|
||||
"execution_count": 18,
|
||||
"execution_count": 66,
|
||||
"id": "1d4e00ca",
|
||||
"metadata": {
|
||||
"tags": []
|
||||
@ -488,7 +600,7 @@
|
||||
"name": "stdout",
|
||||
"output_type": "stream",
|
||||
"text": [
|
||||
"Help on Alum in module __main__ object:\n",
|
||||
"Help on class Alum in module __main__:\n",
|
||||
"\n",
|
||||
"class Alum(Student)\n",
|
||||
" | Alum(name, grad_year)\n",
|
||||
@ -529,13 +641,100 @@
|
||||
" | ----------------------------------------------------------------------\n",
|
||||
" | Data and other attributes inherited from Student:\n",
|
||||
" | \n",
|
||||
" | next_id_counter = 5\n",
|
||||
" | next_id_counter = 16\n",
|
||||
"\n"
|
||||
]
|
||||
}
|
||||
],
|
||||
"source": [
|
||||
"help(alum1)"
|
||||
"help(Alum)"
|
||||
]
|
||||
},
|
||||
{
|
||||
"cell_type": "code",
|
||||
"execution_count": 67,
|
||||
"id": "45f732f0-2036-416e-a44c-70b99b18a960",
|
||||
"metadata": {},
|
||||
"outputs": [
|
||||
{
|
||||
"data": {
|
||||
"text/plain": [
|
||||
"(__main__.Alum, __main__.Student, object)"
|
||||
]
|
||||
},
|
||||
"execution_count": 67,
|
||||
"metadata": {},
|
||||
"output_type": "execute_result"
|
||||
}
|
||||
],
|
||||
"source": [
|
||||
"Alum.__mro__"
|
||||
]
|
||||
},
|
||||
{
|
||||
"cell_type": "code",
|
||||
"execution_count": 23,
|
||||
"id": "592f6930-cf36-4ec1-a4f3-ea1947fa7173",
|
||||
"metadata": {},
|
||||
"outputs": [
|
||||
{
|
||||
"name": "stdout",
|
||||
"output_type": "stream",
|
||||
"text": [
|
||||
"Help on class super in module builtins:\n",
|
||||
"\n",
|
||||
"class super(object)\n",
|
||||
" | super() -> same as super(__class__, <first argument>)\n",
|
||||
" | super(type) -> unbound super object\n",
|
||||
" | super(type, obj) -> bound super object; requires isinstance(obj, type)\n",
|
||||
" | super(type, type2) -> bound super object; requires issubclass(type2, type)\n",
|
||||
" | Typical use to call a cooperative superclass method:\n",
|
||||
" | class C(B):\n",
|
||||
" | def meth(self, arg):\n",
|
||||
" | super().meth(arg)\n",
|
||||
" | This works for class methods too:\n",
|
||||
" | class C(B):\n",
|
||||
" | @classmethod\n",
|
||||
" | def cmeth(cls, arg):\n",
|
||||
" | super().cmeth(arg)\n",
|
||||
" | \n",
|
||||
" | Methods defined here:\n",
|
||||
" | \n",
|
||||
" | __get__(self, instance, owner=None, /)\n",
|
||||
" | Return an attribute of instance, which is of type owner.\n",
|
||||
" | \n",
|
||||
" | __getattribute__(self, name, /)\n",
|
||||
" | Return getattr(self, name).\n",
|
||||
" | \n",
|
||||
" | __init__(self, /, *args, **kwargs)\n",
|
||||
" | Initialize self. See help(type(self)) for accurate signature.\n",
|
||||
" | \n",
|
||||
" | __repr__(self, /)\n",
|
||||
" | Return repr(self).\n",
|
||||
" | \n",
|
||||
" | ----------------------------------------------------------------------\n",
|
||||
" | Static methods defined here:\n",
|
||||
" | \n",
|
||||
" | __new__(*args, **kwargs) from builtins.type\n",
|
||||
" | Create and return a new object. See help(type) for accurate signature.\n",
|
||||
" | \n",
|
||||
" | ----------------------------------------------------------------------\n",
|
||||
" | Data descriptors defined here:\n",
|
||||
" | \n",
|
||||
" | __self__\n",
|
||||
" | the instance invoking super(); may be None\n",
|
||||
" | \n",
|
||||
" | __self_class__\n",
|
||||
" | the type of the instance invoking super(); may be None\n",
|
||||
" | \n",
|
||||
" | __thisclass__\n",
|
||||
" | the class invoking super()\n",
|
||||
"\n"
|
||||
]
|
||||
}
|
||||
],
|
||||
"source": [
|
||||
"help(super)"
|
||||
]
|
||||
},
|
||||
{
|
||||
@ -584,12 +783,18 @@
|
||||
" def __init__(self,x,y):\n",
|
||||
" self.x = x\n",
|
||||
" self.y = y \n",
|
||||
"\n",
|
||||
" def dot_product(self, other):\n",
|
||||
" ...\n",
|
||||
" \n",
|
||||
"class Vec3:\n",
|
||||
" def __init__(self,x,y,z):\n",
|
||||
" self.x = x\n",
|
||||
" self.y = y \n",
|
||||
" self.z = z "
|
||||
" self.z = z \n",
|
||||
"\n",
|
||||
" def dot(self, other):\n",
|
||||
" ..."
|
||||
]
|
||||
},
|
||||
{
|
||||
@ -606,7 +811,7 @@
|
||||
},
|
||||
{
|
||||
"cell_type": "code",
|
||||
"execution_count": 43,
|
||||
"execution_count": 72,
|
||||
"id": "a2cddb6d",
|
||||
"metadata": {
|
||||
"tags": []
|
||||
@ -615,7 +820,10 @@
|
||||
"source": [
|
||||
"from abc import ABC, abstractmethod\n",
|
||||
"\n",
|
||||
"class Vector(ABC): \n",
|
||||
"class Vector(ABC): \n",
|
||||
" def print_x(self):\n",
|
||||
" print(self.x)\n",
|
||||
" \n",
|
||||
" @abstractmethod\n",
|
||||
" def dot_product(self, other):\n",
|
||||
" pass"
|
||||
@ -623,7 +831,7 @@
|
||||
},
|
||||
{
|
||||
"cell_type": "code",
|
||||
"execution_count": 44,
|
||||
"execution_count": 71,
|
||||
"id": "a32d26a8",
|
||||
"metadata": {
|
||||
"tags": []
|
||||
@ -631,13 +839,13 @@
|
||||
"outputs": [
|
||||
{
|
||||
"ename": "TypeError",
|
||||
"evalue": "Can't instantiate abstract class Vector with abstract method dot_product",
|
||||
"evalue": "Can't instantiate abstract class Vector with abstract methods __repr__, dot_product",
|
||||
"output_type": "error",
|
||||
"traceback": [
|
||||
"\u001b[0;31m---------------------------------------------------------------------------\u001b[0m",
|
||||
"\u001b[0;31mTypeError\u001b[0m Traceback (most recent call last)",
|
||||
"Cell \u001b[0;32mIn[44], line 2\u001b[0m\n\u001b[1;32m 1\u001b[0m \u001b[38;5;66;03m# we can't instantiate abstract classes\u001b[39;00m\n\u001b[0;32m----> 2\u001b[0m v \u001b[38;5;241m=\u001b[39m \u001b[43mVector\u001b[49m\u001b[43m(\u001b[49m\u001b[43m)\u001b[49m\n",
|
||||
"\u001b[0;31mTypeError\u001b[0m: Can't instantiate abstract class Vector with abstract method dot_product"
|
||||
"Cell \u001b[0;32mIn[71], line 2\u001b[0m\n\u001b[1;32m 1\u001b[0m \u001b[38;5;66;03m# we can't instantiate abstract classes\u001b[39;00m\n\u001b[0;32m----> 2\u001b[0m v \u001b[38;5;241m=\u001b[39m \u001b[43mVector\u001b[49m\u001b[43m(\u001b[49m\u001b[43m)\u001b[49m\n",
|
||||
"\u001b[0;31mTypeError\u001b[0m: Can't instantiate abstract class Vector with abstract methods __repr__, dot_product"
|
||||
]
|
||||
}
|
||||
],
|
||||
@ -648,7 +856,7 @@
|
||||
},
|
||||
{
|
||||
"cell_type": "code",
|
||||
"execution_count": 45,
|
||||
"execution_count": 75,
|
||||
"id": "5a9ae047",
|
||||
"metadata": {
|
||||
"tags": []
|
||||
@ -675,7 +883,7 @@
|
||||
},
|
||||
{
|
||||
"cell_type": "code",
|
||||
"execution_count": 46,
|
||||
"execution_count": 76,
|
||||
"id": "e25536d1",
|
||||
"metadata": {
|
||||
"tags": []
|
||||
@ -710,6 +918,24 @@
|
||||
"print(isinstance(v3a, Vector))"
|
||||
]
|
||||
},
|
||||
{
|
||||
"cell_type": "code",
|
||||
"execution_count": 78,
|
||||
"id": "69ac4241-b251-4485-9ba9-3b0348d82c34",
|
||||
"metadata": {},
|
||||
"outputs": [
|
||||
{
|
||||
"name": "stdout",
|
||||
"output_type": "stream",
|
||||
"text": [
|
||||
"1\n"
|
||||
]
|
||||
}
|
||||
],
|
||||
"source": [
|
||||
"v2a.print_x()"
|
||||
]
|
||||
},
|
||||
{
|
||||
"cell_type": "code",
|
||||
"execution_count": 47,
|
||||
@ -762,7 +988,7 @@
|
||||
},
|
||||
{
|
||||
"cell_type": "code",
|
||||
"execution_count": 53,
|
||||
"execution_count": 79,
|
||||
"id": "4f98cf62-52da-4072-bf5a-da7de3ad9a98",
|
||||
"metadata": {
|
||||
"tags": []
|
||||
@ -793,7 +1019,7 @@
|
||||
},
|
||||
{
|
||||
"cell_type": "code",
|
||||
"execution_count": 54,
|
||||
"execution_count": 43,
|
||||
"id": "8faf9c31-33e4-42f1-a8e8-8b72a7f1f96f",
|
||||
"metadata": {
|
||||
"tags": []
|
||||
@ -803,7 +1029,29 @@
|
||||
"wrench = InventoryItem(\"Wrench\", 12.95, 10)\n",
|
||||
"hammer = InventoryItem(\"Hammer\", 16, 8)\n",
|
||||
"nails = InventoryItem(\"Nails\", 0.03, 1000)\n",
|
||||
"saw = InventoryItem(\"Saw\", 99)"
|
||||
"saw = InventoryItem(\"Saw\", 99)\n",
|
||||
"saw2 = InventoryItem(\"Saw\", 99)"
|
||||
]
|
||||
},
|
||||
{
|
||||
"cell_type": "code",
|
||||
"execution_count": 44,
|
||||
"id": "94f14911-335c-4097-8658-b9a30a70d53b",
|
||||
"metadata": {},
|
||||
"outputs": [
|
||||
{
|
||||
"data": {
|
||||
"text/plain": [
|
||||
"True"
|
||||
]
|
||||
},
|
||||
"execution_count": 44,
|
||||
"metadata": {},
|
||||
"output_type": "execute_result"
|
||||
}
|
||||
],
|
||||
"source": [
|
||||
"saw == saw2"
|
||||
]
|
||||
},
|
||||
{
|
||||
@ -884,7 +1132,9 @@
|
||||
"id": "73195ac4-c0cc-4f8b-8852-2b63168e1713",
|
||||
"metadata": {},
|
||||
"outputs": [],
|
||||
"source": []
|
||||
"source": [
|
||||
"functools."
|
||||
]
|
||||
}
|
||||
],
|
||||
"metadata": {
|
||||
|
||||
@ -35,7 +35,7 @@
|
||||
},
|
||||
{
|
||||
"cell_type": "code",
|
||||
"execution_count": 1,
|
||||
"execution_count": 61,
|
||||
"metadata": {},
|
||||
"outputs": [],
|
||||
"source": [
|
||||
@ -54,14 +54,14 @@
|
||||
},
|
||||
{
|
||||
"cell_type": "code",
|
||||
"execution_count": 2,
|
||||
"execution_count": 62,
|
||||
"metadata": {},
|
||||
"outputs": [
|
||||
{
|
||||
"name": "stdout",
|
||||
"output_type": "stream",
|
||||
"text": [
|
||||
"<__main__.StaticArray object at 0x107899060>\n"
|
||||
"<__main__.StaticArray object at 0x1079a50f0>\n"
|
||||
]
|
||||
}
|
||||
],
|
||||
@ -72,7 +72,7 @@
|
||||
},
|
||||
{
|
||||
"cell_type": "code",
|
||||
"execution_count": 3,
|
||||
"execution_count": 63,
|
||||
"metadata": {
|
||||
"tags": []
|
||||
},
|
||||
@ -81,7 +81,7 @@
|
||||
"name": "stdout",
|
||||
"output_type": "stream",
|
||||
"text": [
|
||||
"<__main__.StaticArray object at 0x107899b70>\n"
|
||||
"<__main__.StaticArray object at 0x107b550f0>\n"
|
||||
]
|
||||
}
|
||||
],
|
||||
@ -92,7 +92,7 @@
|
||||
},
|
||||
{
|
||||
"cell_type": "code",
|
||||
"execution_count": 4,
|
||||
"execution_count": 64,
|
||||
"metadata": {},
|
||||
"outputs": [
|
||||
{
|
||||
@ -126,7 +126,7 @@
|
||||
},
|
||||
{
|
||||
"cell_type": "code",
|
||||
"execution_count": 5,
|
||||
"execution_count": 65,
|
||||
"metadata": {
|
||||
"tags": []
|
||||
},
|
||||
@ -173,7 +173,7 @@
|
||||
},
|
||||
{
|
||||
"cell_type": "code",
|
||||
"execution_count": 6,
|
||||
"execution_count": 67,
|
||||
"metadata": {},
|
||||
"outputs": [],
|
||||
"source": [
|
||||
@ -214,7 +214,7 @@
|
||||
},
|
||||
{
|
||||
"cell_type": "code",
|
||||
"execution_count": 7,
|
||||
"execution_count": 68,
|
||||
"metadata": {},
|
||||
"outputs": [
|
||||
{
|
||||
@ -223,7 +223,7 @@
|
||||
"4"
|
||||
]
|
||||
},
|
||||
"execution_count": 7,
|
||||
"execution_count": 68,
|
||||
"metadata": {},
|
||||
"output_type": "execute_result"
|
||||
}
|
||||
@ -235,7 +235,7 @@
|
||||
},
|
||||
{
|
||||
"cell_type": "code",
|
||||
"execution_count": 8,
|
||||
"execution_count": 70,
|
||||
"metadata": {},
|
||||
"outputs": [
|
||||
{
|
||||
@ -244,7 +244,7 @@
|
||||
"True"
|
||||
]
|
||||
},
|
||||
"execution_count": 8,
|
||||
"execution_count": 70,
|
||||
"metadata": {},
|
||||
"output_type": "execute_result"
|
||||
}
|
||||
@ -256,27 +256,27 @@
|
||||
},
|
||||
{
|
||||
"cell_type": "code",
|
||||
"execution_count": 9,
|
||||
"execution_count": 72,
|
||||
"metadata": {},
|
||||
"outputs": [
|
||||
{
|
||||
"data": {
|
||||
"text/plain": [
|
||||
"1"
|
||||
"True"
|
||||
]
|
||||
},
|
||||
"execution_count": 9,
|
||||
"execution_count": 72,
|
||||
"metadata": {},
|
||||
"output_type": "execute_result"
|
||||
}
|
||||
],
|
||||
"source": [
|
||||
"sa[0]"
|
||||
"sa[3]"
|
||||
]
|
||||
},
|
||||
{
|
||||
"cell_type": "code",
|
||||
"execution_count": 10,
|
||||
"execution_count": 73,
|
||||
"metadata": {},
|
||||
"outputs": [
|
||||
{
|
||||
@ -286,8 +286,8 @@
|
||||
"traceback": [
|
||||
"\u001b[0;31m---------------------------------------------------------------------------\u001b[0m",
|
||||
"\u001b[0;31mIndexError\u001b[0m Traceback (most recent call last)",
|
||||
"Cell \u001b[0;32mIn[10], line 1\u001b[0m\n\u001b[0;32m----> 1\u001b[0m \u001b[43msa\u001b[49m\u001b[43m[\u001b[49m\u001b[38;5;241;43m42\u001b[39;49m\u001b[43m]\u001b[49m \u001b[38;5;241m=\u001b[39m \u001b[38;5;124m\"\u001b[39m\u001b[38;5;124mhello\u001b[39m\u001b[38;5;124m\"\u001b[39m\n",
|
||||
"Cell \u001b[0;32mIn[6], line 29\u001b[0m, in \u001b[0;36mStaticArray.__setitem__\u001b[0;34m(self, index, val)\u001b[0m\n\u001b[1;32m 27\u001b[0m \u001b[38;5;28;01mdef\u001b[39;00m \u001b[38;5;21m__setitem__\u001b[39m(\u001b[38;5;28mself\u001b[39m, index, val):\n\u001b[1;32m 28\u001b[0m \u001b[38;5;28;01mif\u001b[39;00m index \u001b[38;5;241m>\u001b[39m\u001b[38;5;241m=\u001b[39m \u001b[38;5;28mself\u001b[39m\u001b[38;5;241m.\u001b[39mcapacity \u001b[38;5;129;01mor\u001b[39;00m index \u001b[38;5;241m<\u001b[39m \u001b[38;5;241m-\u001b[39m\u001b[38;5;28mself\u001b[39m\u001b[38;5;241m.\u001b[39mcapacity:\n\u001b[0;32m---> 29\u001b[0m \u001b[38;5;28;01mraise\u001b[39;00m \u001b[38;5;167;01mIndexError\u001b[39;00m(\u001b[38;5;124m\"\u001b[39m\u001b[38;5;124mIndex out of range\u001b[39m\u001b[38;5;124m\"\u001b[39m)\n\u001b[1;32m 30\u001b[0m \u001b[38;5;28mself\u001b[39m\u001b[38;5;241m.\u001b[39mitems[index] \u001b[38;5;241m=\u001b[39m val\n",
|
||||
"Cell \u001b[0;32mIn[73], line 1\u001b[0m\n\u001b[0;32m----> 1\u001b[0m \u001b[43msa\u001b[49m\u001b[43m[\u001b[49m\u001b[38;5;241;43m42\u001b[39;49m\u001b[43m]\u001b[49m \u001b[38;5;241m=\u001b[39m \u001b[38;5;124m\"\u001b[39m\u001b[38;5;124mhello\u001b[39m\u001b[38;5;124m\"\u001b[39m\n",
|
||||
"Cell \u001b[0;32mIn[67], line 29\u001b[0m, in \u001b[0;36mStaticArray.__setitem__\u001b[0;34m(self, index, val)\u001b[0m\n\u001b[1;32m 27\u001b[0m \u001b[38;5;28;01mdef\u001b[39;00m \u001b[38;5;21m__setitem__\u001b[39m(\u001b[38;5;28mself\u001b[39m, index, val):\n\u001b[1;32m 28\u001b[0m \u001b[38;5;28;01mif\u001b[39;00m index \u001b[38;5;241m>\u001b[39m\u001b[38;5;241m=\u001b[39m \u001b[38;5;28mself\u001b[39m\u001b[38;5;241m.\u001b[39mcapacity \u001b[38;5;129;01mor\u001b[39;00m index \u001b[38;5;241m<\u001b[39m \u001b[38;5;241m-\u001b[39m\u001b[38;5;28mself\u001b[39m\u001b[38;5;241m.\u001b[39mcapacity:\n\u001b[0;32m---> 29\u001b[0m \u001b[38;5;28;01mraise\u001b[39;00m \u001b[38;5;167;01mIndexError\u001b[39;00m(\u001b[38;5;124m\"\u001b[39m\u001b[38;5;124mIndex out of range\u001b[39m\u001b[38;5;124m\"\u001b[39m)\n\u001b[1;32m 30\u001b[0m \u001b[38;5;28mself\u001b[39m\u001b[38;5;241m.\u001b[39mitems[index] \u001b[38;5;241m=\u001b[39m val\n",
|
||||
"\u001b[0;31mIndexError\u001b[0m: Index out of range"
|
||||
]
|
||||
}
|
||||
@ -395,7 +395,21 @@
|
||||
},
|
||||
{
|
||||
"cell_type": "code",
|
||||
"execution_count": 12,
|
||||
"execution_count": null,
|
||||
"metadata": {},
|
||||
"outputs": [],
|
||||
"source": [
|
||||
"for i in iterable:\n",
|
||||
" print(i)\n",
|
||||
"\n",
|
||||
"iterator = iter(iterable)\n",
|
||||
"while True:\n",
|
||||
" print(next(iterator))"
|
||||
]
|
||||
},
|
||||
{
|
||||
"cell_type": "code",
|
||||
"execution_count": 56,
|
||||
"metadata": {},
|
||||
"outputs": [],
|
||||
"source": [
|
||||
@ -408,6 +422,7 @@
|
||||
" return self\n",
|
||||
"\n",
|
||||
" def __next__(self):\n",
|
||||
" print(f\"next was called, moving {self.current} to {self.current+1}\")\n",
|
||||
" if self.current >= self.n:\n",
|
||||
" raise StopIteration\n",
|
||||
" else:\n",
|
||||
@ -420,43 +435,35 @@
|
||||
},
|
||||
{
|
||||
"cell_type": "code",
|
||||
"execution_count": 13,
|
||||
"execution_count": 59,
|
||||
"metadata": {},
|
||||
"outputs": [
|
||||
{
|
||||
"name": "stdout",
|
||||
"output_type": "stream",
|
||||
"text": [
|
||||
"0\n",
|
||||
"1\n",
|
||||
"2\n",
|
||||
"3\n",
|
||||
"4\n"
|
||||
]
|
||||
},
|
||||
{
|
||||
"ename": "StopIteration",
|
||||
"evalue": "",
|
||||
"output_type": "error",
|
||||
"traceback": [
|
||||
"\u001b[0;31m---------------------------------------------------------------------------\u001b[0m",
|
||||
"\u001b[0;31mStopIteration\u001b[0m Traceback (most recent call last)",
|
||||
"Cell \u001b[0;32mIn[13], line 4\u001b[0m\n\u001b[1;32m 2\u001b[0m \u001b[38;5;28;01mfor\u001b[39;00m i \u001b[38;5;129;01min\u001b[39;00m sr:\n\u001b[1;32m 3\u001b[0m \u001b[38;5;28mprint\u001b[39m(i)\n\u001b[0;32m----> 4\u001b[0m \u001b[38;5;28;43mnext\u001b[39;49m\u001b[43m(\u001b[49m\u001b[43msr\u001b[49m\u001b[43m)\u001b[49m\n",
|
||||
"Cell \u001b[0;32mIn[12], line 11\u001b[0m, in \u001b[0;36mSimpleRange.__next__\u001b[0;34m(self)\u001b[0m\n\u001b[1;32m 9\u001b[0m \u001b[38;5;28;01mdef\u001b[39;00m \u001b[38;5;21m__next__\u001b[39m(\u001b[38;5;28mself\u001b[39m):\n\u001b[1;32m 10\u001b[0m \u001b[38;5;28;01mif\u001b[39;00m \u001b[38;5;28mself\u001b[39m\u001b[38;5;241m.\u001b[39mcurrent \u001b[38;5;241m>\u001b[39m\u001b[38;5;241m=\u001b[39m \u001b[38;5;28mself\u001b[39m\u001b[38;5;241m.\u001b[39mn:\n\u001b[0;32m---> 11\u001b[0m \u001b[38;5;28;01mraise\u001b[39;00m \u001b[38;5;167;01mStopIteration\u001b[39;00m\n\u001b[1;32m 12\u001b[0m \u001b[38;5;28;01melse\u001b[39;00m:\n\u001b[1;32m 13\u001b[0m \u001b[38;5;28mself\u001b[39m\u001b[38;5;241m.\u001b[39mcurrent \u001b[38;5;241m+\u001b[39m\u001b[38;5;241m=\u001b[39m \u001b[38;5;241m1\u001b[39m\n",
|
||||
"\u001b[0;31mStopIteration\u001b[0m: "
|
||||
"0 0\n",
|
||||
"0 1\n",
|
||||
"0 2\n",
|
||||
"1 0\n",
|
||||
"1 1\n",
|
||||
"1 2\n",
|
||||
"2 0\n",
|
||||
"2 1\n",
|
||||
"2 2\n"
|
||||
]
|
||||
}
|
||||
],
|
||||
"source": [
|
||||
"sr = SimpleRange(5)\n",
|
||||
"sr = range(3)\n",
|
||||
"for i in sr:\n",
|
||||
" print(i)\n",
|
||||
"next(sr)"
|
||||
" for j in sr:\n",
|
||||
" print(i, j)"
|
||||
]
|
||||
},
|
||||
{
|
||||
"cell_type": "code",
|
||||
"execution_count": 14,
|
||||
"execution_count": 57,
|
||||
"metadata": {
|
||||
"tags": []
|
||||
},
|
||||
@ -537,7 +544,7 @@
|
||||
"outputs": [],
|
||||
"source": [
|
||||
"# Adding __iter__ to StaticArray\n",
|
||||
"class StaticArrayIterator:\n",
|
||||
"eclass StaticArrayIterator:\n",
|
||||
" def __init__(self, values):\n",
|
||||
" self.values = values\n",
|
||||
" self.position = 0\n",
|
||||
|
||||
Loading…
Reference in New Issue
Block a user