how they factorial of ome number in python code example

Example 1: Find faculty of a number python

#Assumes n is possitive
def factorial(n):
  return 1 if n <=1 else n*factorial(n-1)

Example 2: factorial in python

def fact(n):
  return 1 if (n==0 or n==1) else n*fact(n-1)
fact(3)