12 Best Python Programming Questions For Interview
1. What is Python, and why is it used in programming?
Answer:
Python is a high-level, interpreted programming language known for its simplicity and readability. It is used for various purposes, such as web development, data analysis, scientific computing, and more.
2. Differentiate between Python 2 and Python 3.
Answer:
Python 2 is an older version of Python, while Python 3 is the latest version. Python 3 introduced various improvements and changes, including better Unicode support and print() as a function.
3. How do you comment in Python?
Answer:
Comments in Python are created using the “#” symbol, and they are used to add explanatory notes to the code.
4. What is PEP 8, and why is it important?
Answer:
PEP 8 is the Python Enhancement Proposal that outlines the style guide for writing Python code. Following PEP 8 ensures code consistency and readability.
5. Explain the difference between local and global variables in Python.
Answer:
Local variables are defined within a function and have a limited scope, while global variables are defined outside of functions and can be accessed from anywhere in the program.
6. How do you handle exceptions in Python?
Answer:
Exceptions are handled using the try, except, and finally blocks. The try block contains the code that might raise an exception, the except block is used to catch and handle the exception, and the finally block is executed regardless of whether an exception occurs.
7. Write a Python program to print the following string in a specific format (see the output).
Sample Output
8. Write a Python program which accepts the radius of a circle from the user and compute the area.
Sample Output:
r=3.4 Area=36.31681107549801
9. Write a Python program which accepts the user's first and last name and print them in reverse order with a space between them.
Sample Output:
Enter your First Name= Rahul
Enter your Last Name= Sharma
Result= Sharma Rahul
10. Write a Python program which check whether the number entered by user is even or odd.
Sample Output:
Enter the number= 56
Number is even
11. Write a Python program to calculate the sum of three given numbers, if the values are equal then return three times of their sum.
Sample Output:
Enter First number = 3
Enter Second number = 3
Enter Third number = 3
Result is 9
12. Write a Python program to solve (x + y) * (x + y).
Sample Output:
Enter value of x = 5
Enter value of y = 6
Result : (4 + 3) ^ 2) = 121