snake_water_gun.py

import random

def gameWin(comp, you):
  if comp == you:
    return None
  elif comp == 's':
    if you == 'w':
      return False
    elif you == 'g':
      return True
  elif comp == 'w':
    if you == 'g':
      return False
    elif you == 's':
      return True
  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)
print(randNo)

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

you = input("Player's turn: Snake(1), Water(2) or Gun(3)")

a = gameWin(comp, you)

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

if(a == None):
  print("The game is tie")
elif a:
  print("You win")
else:
  print("You loose")