factorial programming in pyhton code example

Example: factorial in python

def fact(n):
	if n==0 or n==1:
		return 1
	else:
		return n*fact(n-1)
print(fact(4)) #4 is the sample value it will returns 4!==> 4*3*2*1 =24
#OR
import math
print(math.factorial(4))