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Top 20 Python Interview Questions And Answers 2023

What is Python?<br>Python is a high-level, interpreted, general-purpose programming language that was created by Guido van Rossum and released in 1991.<br><br>What is PEP 8?<br>PEP 8 is a coding style guide for Python that defines how to format Python code for maximum readability.<br><br>What is a decorator in Python?<br>A decorator in Python is a special function that modifies the behavior of another function. It is used to add functionality to an existing function without changing its code.

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Top 20 Python Interview Questions And Answers 2023

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  1. Top 20 Python Interview Questions And Answers 2023 www.magnitia.com | +91 6309171717 | +91 6309161616 | info@magnitia.com

  2. What is Python? Python is a high-level, interpreted, general-purpose programming language that was created by Guido van Rossum and released in 1991. What is PEP 8? PEP 8 is a coding style guide for Python that defines how to format Python code for maximum readability. What is a decorator in Python? A decorator in Python is a special function that modifies the behavior of another function. It is used to add functionality to an existing function without changing its code. What is a generator in Python? A generator in Python is a special type of iterator that allows you to iterate over a potentially infinite sequence of values without generating them all at once. What is the difference between a list and a tuple in Python? A list is a mutable sequence of values, while a tuple is an immutable sequence of values. In other words, you can modify a list, but you cannot modify a tuple. www.magnitia.com | +91 6309171717 | +91 6309161616 | info@magnitia.com

  3. What is the difference between a set and a frozenset in Python? A set is a mutable collection of unique elements, while a frozenset is an immutable collection of unique elements. What is the difference between a dictionary and a defaultdict in Python? A dictionary is a collection of key-value pairs, while a defaultdict is a subclass of dictionary that provides a default value for keys that do not exist. What is the difference between a function and a method in Python? A function is a block of code that performs a specific task and returns a value, while a method is a function that is associated with an object and is called on that object. What is a lambda function in Python? A lambda function in Python is an anonymous function that can take any number of arguments but can only have one expression. What is the difference between a module and a package in Python? A module is a single file that contains Python code, while a package is a collection of modules that are organized in a directory hierarchy. www.magnitia.com | +91 6309171717 | +91 6309161616 | info@magnitia.com

  4. What is the difference between the ‘is’ and ‘==’ operators in Python? The ‘is’ operator checks whether two objects are the same object in memory, while the ‘==’ operator checks whether two objects have the same value. What is the difference between the ‘append’ and ‘extend’ methods of a list in Python? The ‘append’ method adds a single item to the end of a list, while the ‘extend’ method adds multiple items to the end of a list. What is a list comprehension in Python? A list comprehension in Python is a concise way to create a new list by applying a function to each element of an existing list. What is a generator expression in Python? A generator expression in Python is a concise way to create a new generator by applying a function to each element of an existing generator. What is the difference between a class and an object in Python? A class is a blueprint for creating objects, while an object is an instance of a class. www.magnitia.com | +91 6309171717 | +91 6309161616 | info@magnitia.com

  5. What is inheritance in Python? Inheritance in Python is a mechanism that allows a subclass to inherit the properties and methods of its superclass. What is polymorphism in Python? Polymorphism in Python is the ability of objects of different classes to be used interchangeably. What is encapsulation in Python? Encapsulation in Python is the practice of hiding the implementation details of a class from other parts of the code. What is a namespace in Python? A namespace in Python is a mapping between names and objects. It is used to avoid naming conflicts and to provide a clean separation of concerns. What is the difference between a local variable and a global variable in Python? Local variables can only be accessed within the function or module in which they are defined, in contrast to global variables, which can be used throughout the entire program.  www.magnitia.com | +91 6309171717 | +91 6309161616 | info@magnitia.com

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