Factorial

This is a python program to find the Factorial of a number.

num=int(input("Enter a no to print it's factorial:"))
fact=1
i=num
while i>0:
    fact*=i
    i-=1

print(f"Factorial of {num} is {fact}")

 

Factorial of a number n is (n)*(n-1)*(n-2)*(n-3)*……….*3*2*1.

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