Python program to find factorial of a number

# Python program to find the factorial of a number using recursion

def  factorial(n):   """Function"""

   if n == 1:       return n   

else:      

 return n*factorial(n-1)

num = int(input("Enter a number: "))
# check is no is negative

num < 0: 

  print("sorry ")

elif num == 0:   

print("The factorial of 0 is 1")

else:   

print("The factorial of",num,"is",factorial(num))