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Python Interview Questions - Page 1

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Question: What is Python?
Answer: Python is a high-level, interpreted programming language known for its simplicity and readability. It supports multiple programming paradigms, including procedural, object-oriented, and functional programming.

Question: How do you comment out lines in Python?
Answer: In Python, you can use the # character to comment out lines. Anything following the # symbol on a line is considered a comment and is ignored by the Python interpreter.

Question: What is PEP 8?
Answer: The PEP 8 is the official style guide for Python code.
It provides guidelines and best practices for writing Python code to improve code readability and maintainability.

Question: How do you declare variables in Python?
Answer: Variables in Python are declared by simply assigning a value to a name. Python is dynamically typed, so you don't need to specify the variable type explicitly.
For example: x = 10

Question: What are lists in Python?
Answer: Lists in Python are ordered collections of items. They can contain elements of different data types and are mutable, meaning you can change the contents of a list after it has been created.

Question: How do you define a function in Python?
Answer: You can define a function in Python using the def keyword followed by the function name and its parameters. For example:
 def greet(name):
     print("Hello, " + name + "!")

Question: What is a 'tuple' in Python?
Answer: The 'tuples' in Python are ordered collections of items, similar to lists.
However, tuples are immutable, meaning you cannot change the contents of a tuple after it has been created.

Question: What is the difference between '==' and 'is' operators in Python?
Answer: Please find below the difference:
• The '==' operator is used to compare the values of two objects in Python.
• The 'is' operator is used to compare the identities of two objects in Python, checking if they refer to the same object in memory.


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