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OOPs Polymorphism
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‎Polymorphism/Day1.ipynb‎

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{
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"cells": [
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{
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"cell_type": "markdown",
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"metadata": {},
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"source": [
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"### Polymorphism"
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]
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},
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{
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"cell_type": "markdown",
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"metadata": {},
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"source": [
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"#### Many Form"
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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": null,
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"metadata": {},
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"outputs": [],
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"source": [
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"## Method Overriding"
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]
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},
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{
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"cell_type": "markdown",
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"metadata": {},
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"source": [
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"###### Method overriding allows a chlid class to provide a specific implementation of a method that is already define in its parent class "
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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": 8,
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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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"Woof!-Woof!\n",
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"Meow!-Meow!\n",
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"Woof!-Woof!\n"
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]
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}
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],
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"source": [
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"## Base class\n",
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"class Animal:\n",
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" def speak(self):\n",
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" return \"Sound of animal\"\n",
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" \n",
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"## Derived Class 1 \n",
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"class Dog(Animal):\n",
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" def speak(self):\n",
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" return \"Woof!-Woof!\"\n",
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"\n",
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"## Derived Class 2\n",
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"class Cat(Animal):\n",
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" def speak(self):\n",
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" return \"Meow!-Meow!\" \n",
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"\n",
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"## Function For Polymorphism Demonstration\n",
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"def animal_speak(animal): # this animal is obj of class\n",
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" print(animal.speak())\n",
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"\n",
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"dog = Dog() \n",
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"cat = Cat()\n",
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"print(dog.speak())\n",
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"print(cat.speak())\n",
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"animal_speak(dog)"
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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": 11,
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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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"The area is 20\n",
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"The area is 78.5\n"
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]
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}
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],
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"source": [
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"## Polymorphism with Functions And Methods\n",
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"\n",
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"class Shape: ##BASE CLASS\n",
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" def area(self):\n",
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" return \"Area of The Figure \"\n",
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" \n",
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"## Derived Class 1\n",
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"class Rectangle(Shape):\n",
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" def __init__(self,width,height):\n",
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" self.width = width\n",
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" self.height = height\n",
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"\n",
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" def area(self):\n",
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" return self.width * self.height\n",
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"## Derived Class 2 \n",
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"class Circle(Shape):\n",
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" def __init__(self,radius):\n",
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" self.radius = radius\n",
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" def area(self):\n",
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" return 3.14 * self.radius *self.radius\n",
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"\n",
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"#Function that demonstrate Polymorphism\n",
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"\n",
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"def print_area(shape): #parameter but intended to be obj of class\n",
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" print(f\"The area is {shape.area()}\")\n",
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"\n",
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"rectangle = Rectangle(4,5)\n",
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"circle = Circle(5)\n",
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"\n",
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"print_area(rectangle)\n",
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"print_area(circle)"
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]
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},
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{
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"cell_type": "markdown",
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"metadata": {},
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"source": [
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"##### Interface - Abstract base class"
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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": 12,
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"metadata": {},
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"outputs": [],
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"source": [
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"#### Polymorphism with Abstract Base Class"
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]
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},
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{
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"cell_type": "markdown",
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"metadata": {},
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"source": [
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"##### Abstract Base classes (ABSs) are used to define common methods for a group of related objects they can enforce that derived classes implement particular methods, promoting consistency across different implementations"
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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": 13,
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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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"Car Engine Started\n"
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]
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}
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],
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"source": [
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"from abc import ABC, abstractmethod\n",
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"\n",
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"## Define an abstract class\n",
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"class Vehicle(ABC):\n",
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" @abstractmethod\n",
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" def start_engine(self):\n",
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" pass\n",
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"## Derived Class 1\n",
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"class Car(Vehicle):\n",
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" def start_engine(self):\n",
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" return \"Car Engine Started\"\n",
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" \n",
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"## Derived Class 2\n",
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"class Motorcycle(Vehicle):\n",
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" def start_engine(self):\n",
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" return \"Motorcycle engine started\"\n",
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" \n",
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"# Function That demonstrate Polymorphism\n",
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"def start_vehicle(vehicle):\n",
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" print(vehicle.start_engine())\n",
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"\n",
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"# create objects of Car and Motor cycle\n",
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"car = Car()\n",
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"Motorcycle = Motorcycle()\n",
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"start_vehicle(car)\n"
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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": null,
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"metadata": {},
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"outputs": [],
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"source": []
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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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"metadata": {},
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"outputs": [],
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"source": []
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}
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],
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"metadata": {
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"kernelspec": {
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"display_name": "base",
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"language": "python",
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"name": "python3"
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},
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"language_info": {
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"codemirror_mode": {
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"name": "ipython",
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"version": 3
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},
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"file_extension": ".py",
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"mimetype": "text/x-python",
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"name": "python",
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"nbconvert_exporter": "python",
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"pygments_lexer": "ipython3",
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"version": "3.11.7"
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}
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},
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"nbformat": 4,
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"nbformat_minor": 2
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}

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