Factorial Program in Python using For Loop

Learn about Factorial Program in Python using For Loop in the below code example. Also, refer to the comments in the code snippet to get a detailed view about what’s actually happening.

Contents

Factorial Program in Python using For Loop

The below code prints the factorial of a number using a For Loop. Factorial of a number is nothing but the multiplication of all-natural numbers till the given number.

Source code:

# Python program to find the factorial of a number

# user input
num = int(input("Enter number: "))

# check number is positive, negative, or zero
if num < 0:
   print('Factorial does not exist for negative numbers')
elif num == 0:
   print('The factorial of 0 is 1')
else:
   fact = 1
   for i in range(1,num + 1):
       fact = fact*i
   print('The factorial of',num,'is',fact)

Output:

Enter number: 5
The factorial of 5 is 120

Hope above code works for you and Refer the below Related Codes to gain more insights. Happy coding and come back again.