how to make a rock paper scissor game by using python

 import random

def gamewin(comp,you):

    if comp==you:

        return None

    elif comp == 'r':

        if you =='s':

            return False

        elif you == 'p':

            return True

    elif comp =='p':

        if you == 'r':

            return False

        elif you == 's':

            return True

    elif comp == 's':

        if you =='p':

            return False

        elif you == 'r' :

            return True

           

print("comp's turn : rock(r)   paper(p) or scissor(s) ??\n")

randNO = random.randint(1,3)

if randNO == 1 :

    comp ='r'

elif randNO == 2 :

    comp = 'p'

elif randNO == 3 :

    comp = 's'

you = input("your's turn : rock(r)   paper(p) or scissor(s) ??\n")

a = gamewin(comp,you)

print(f"computer chosse {comp}")

print(f"you chosse {you}")

if a == None:

    print("the game is a tie")

elif a:

    print("you win")

else :

    print("you loose")