factorial in python using for loop

1#Factorial 
2'''factorial n! - n* n-1*n-2..1'''
3
4def fac_iterative_method(n):
5    fac = 1
6    for i in range(n):
7        fac = (fac * (i+1))
8        print('fac of',i+1,'=',fac)
9        
10number = int(input('enter the number'))
11fac_iterative_method(number)
12

1# change the value for a different result
2num = int(input('enter a number'))
3# To take input from the user
4#num = int(input("Enter a number: "))
5factorial = 1
6# check if the number is negative, positive or zero
7if num < 0:
8   print("Sorry, factorial does not exist for negative numbers")
9elif num == 0:
10   print("The factorial of 0 is 1")
11else:
12   for i in range(1,num + 1):
13       factorial = factorial*i
14   print("The factorial of",num,"is",factorial)
15