#Author: OMKAR PATHAK

#This program calculates the factorial of a given number

def factorial(number):

'''This function calculates the factorial of a number'''

if number == 1 or number == 0:

return 1

else:

return number * factorial(number - 1)

def factorial_without_recursion(number):

fact = 1

while(number > 0):

fact = fact * number

number = number - 1

print('Factorial of', number,'is: ')

print(fact)

if __name__ == '__main__':

userInput = int(input('Enter the number to find its factorial: '))

print('Factorial of', userInput, 'is:', factorial(userInput))

factorial_without_recursion(userInput)