def factorial(n):
    if n<=0 or n==1:
        return 1    
    return factorial(n-1)*n

print(factorial(5))

def factorial(n):
    if n<=0 or n==1:
        return 1    
    return factorial(n-1)*n

print(factorial(5))

def factorial(n):
    if n<=0 or n==1:
        return 1    
    return factorial(n-1)*n

print(factorial(5))