#29_rock_paper_scissors_game.py

import random

while True:
    choices = ["rock","paper","scissors"]

    computer = random.choice(choices)

    player = ""

    while player not in choices:
        player = input("rock, paper or scissors?: ").lower()


    if (player == computer):
        print("Computer : {}".format(computer))
        print("Player: {}".format(player))
        print("Tie!")
    elif (player == "rock"):
        if (computer == "paper"):
            print("Computer : {}".format(computer))
            print("Player: {}".format(player))
            print("You lose!")
        if (computer == "scissors"):
            print("Computer : {}".format(computer))
            print("Player: {}".format(player))
            print("You win!")
    elif (player == "scissors"):
        if (computer == "rock"):
            print("Computer : {}".format(computer))
            print("Player: {}".format(player))
            print("You lose!")
        if (computer == "paper"):
            print("Computer : {}".format(computer))
            print("Player: {}".format(player))
            print("You win!")

    elif (player == "paper"):
        if (computer == "scissors"):
            print("Computer : {}".format(computer))
            print("Player: {}".format(player))
            print("You lose!")
        if (computer == "rock"):
            print("Computer : {}".format(computer))
            print("Player: {}".format(player))
            print("You win!")
    
    play_again = input("Play again? (yes/no): ").lower()

    if(play_again != "yes"):
        break

print("Bye!!!")