rock-paper-scissors.py

#!/usr/bin/env python3
import random

def winner(user,states):
	ai = random.choice(list(states))

	print("\n")
	if user == ai:
		print("Tie!")
		winner = 0
	elif user == "r":
		if ai == "s":
			print("Rock beats scissors. You win!")
			winner = 1
		else:
			print("Paper beats rock. You lose!")
			winner = 2
	elif user == "s":
		if ai == "p":
			print("Scissors cut paper. You win!")
			winner = 1
		else:
			print("Rock smashes scissors. You lose!")
			winner = 2
	elif user == "p":
		if ai == "r":
			print("Paper beats rock. You win!")
			winner = 1
		else:
			print("Scissors cut paper. You lose!")
			winner = 2
	print("\n")
	return winner	

def main():
	states = {
		"r": "rock",
		"p": "paper",
		"s": "scissors"
	}

	userScore=0
	aiScore=0

	print("Lets play Rock, Paper, Scissors!")
	while True:
		user = input("What will it be? [r]ock, [p]aper or [s]cissors? OR [q]uit > ")
		user = user.strip()
		if user == "q":
			print(f"Final score: User: {userScore} AI: {aiScore}")
			break
		elif user in states:
			who = winner(user,states)
			if who == 1:
				userScore = userScore+1
			elif who == 2:
				aiScore = aiScore+1
		else:
			print("Unknown input! Try again!")
				
if __name__ == "__main__":
	main()