Python Interview Questions

 Prepared By : Prof. Uday Shah (HOD-IT)

Python Interview Questions for Beginners

1. What is Python?

Python is a high-level, interpreted, object-oriented programming language used for web development, data science, automation, etc.

2. What are the features of Python?

• Easy to learn

• Interpreted

• Object-oriented

• Cross-platform

• Large standard library

3. What is PEP 8?

PEP 8 is Python’s style guide used to write clean and readable code.

4. What is a variable in Python?

A variable is a named memory location used to store data.

5. What are Python data types?

• int

• float

• str

• bool

• list

• tuple

• set

• dict

6. What is the difference between list and tuple?

List	Tuple
Mutable (can change)	Immutable (cannot change)
Uses []	Uses ()

7. What is a dictionary in Python?

A dictionary stores data as key-value pairs.
Example: {"name": "Uday", "age": 25}

8. What is type casting?

Converting one data type to another.
Example: int("10")

9. What is indentation in Python?

Indentation defines blocks of code. Python uses spaces instead of { }.

10. What is a function?

A block of reusable code defined using def.

11. What is the difference between return and print?

• return sends a value back from a function

• print displays output on screen

12. What is a module?

A .py file that contains variables, functions, or classes.

13. What is a package?

A collection of modules inside a directory containing __init__.py.

14. What are keywords in Python?

Reserved words like if, else, for, while, etc.

15. What is the use of if __name__ == "__main__":?

It checks whether the file is executed directly or imported.

16. What is the difference between == and is?

• == compares values

• is compares memory locations

17. What is a loop?

Repeating a block of code using for or while.

18. How do you create a list in Python?

my_list = [1, 2, 3]

19. How do you create a function in Python?

def greet():
    print("Hello")

20. What is a class in Python?

A class is a blueprint for creating objects.