Find the Factorial of Number using Python
gideonna
Posted by gideonna
Last Updated: April 13, 2016 
# Python program to find the factorial of a number provided by the user.

# take input from the user
num = int(input("Enter a number: "))
factorial = 1

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

 
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