Most asked top Interview Questions and Answers & Online Test
Education platform for interview prep, online tests, tutorials, and live practice

Build skills with focused learning paths, mock tests, and interview-ready content.

WithoutBook brings subject-wise interview questions, online practice tests, tutorials, and comparison guides into one responsive learning workspace.

Prepare Interview

Mock Exams

Make Homepage

Bookmark this page

Subscribe Email Address

Question: Write a Python program to find the factorial of a number.
Answer:

def factorial(n):

  return 1 if n == 0 else n * factorial(n-1)

Example:

factorial(5)  # Output: 120

Save For Revision

Bookmark this item, mark it difficult, or place it in a revision set.

Open My Learning Library
Is it helpful? Yes No

Most helpful rated by users:

Copyright © 2026, WithoutBook.