Python Program for factorial of a number

# Python 3 program to find
# factorial of given number
def factorial(n):
     
    # single line to find factorial
    return 1 if (n==1 or n==0) else n * factorial(n - 1);
 
# Driver Code
num = 5;
print("Factorial of",num,"is",
factorial(num))
 
# This code is contributed by Smitha Dinesh Semwal