Practical No. 1: WAP in Python to find the factorial of a number using function.

 

#Practical No. - 1: WAP in Python to find the factorial of a number using function

def fact(n):

    f=1

    while(n>0):

        f=f*n

        n=n-1

    return f

n=int(input("Enter a number to find the factorial: "))

if(n<0):

    print("Factorial of -ive number is not possible")

elif(n==0):

    print("Factorial of 0 is 1")

else:

    factorial=fact(n)

    print("Factorial of ",n," is =",factorial)