Write a Python function to calculate the factorial of a number

Introduction

Write a Python function to calculate the factorial of a number. I have used python 3.7 compiler for debugging purpose.

def factorial(num):
    if num == 0:
        return 1
    else:
        return num * factorial(num-1)
num=int(input("Input a number to compute the factiorial : "))
print(factorial(num))

Result

Write a Python function to calculate the factorial of a number

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