Snake Water Gun Game using python

Source code

import random

# Snake Water Gun or Rock Paper Scissors
 def gameWin(comp, you):

# If two values are equal, declare a tie!
 if comp == you:
        return None

# Check for all possibilities when computer chose s
 elif comp == 's':
 if you=='w':
            return False
            
 elif you=='g':
            return True
    
# Check for all possibilities when computer chose w
 elif comp == 'w':
 if you=='g':
            return False
 elif you=='s':
            return True
    
# Check for all possibilities when computer chose g
 elif comp == 'g':
 if you=='s':
            return False
 elif you=='w':
            return True

print("Comp Turn: Snake(s) Water(w) or Gun(g)?")
randNo = random.randint(1, 3) 

if randNo == 1:
    comp = 's'
elif randNo == 2:
    comp = 'w'
elif randNo == 3:
    comp = 'g'

you = input("Your Turn: Snake(s) Water(w) or Gun(g)?")

a = gameWin(comp, you)

print(f"Computer chose {comp}")
print(f"You chose {you}")

if a == None:
    print("The game is a tie!")
elif a:
    print("You Win!")
else:
    print("You Lose!")