import random
while True:
    user_action = input("Enter a choice (rock,paper,scissors):")
    possible_actions = ["rock","paper","scissors"]
    computer_action = random.choice(possible_actions)
    print("\n You chose", user_action,"computer chose",computer_action,"\n")
    if user_action == computer_action:
        print("Both players selected", user_action,"It's a tie!")
    elif user_action == "rock":
        if computer_action == "scissors":
            print("Rock smashes scissors!. You win!")
        else:
            print("Paper covers rock!. You lose!")
    elif user_action == "Paper":
        if computer_action == "rock":
            print("Paper covers rock!.You win!")
        else:
            print("Scisoors cuts paper!. You lose!")
    elif user_action == "scissors":
        if computer_action == "paper":
            print("scissors cuts paper!. You win!")
        else:
            print("Rock smashes scissors!. You lose!")
    play_again = input("Play Again? (y/n):")
    if play_again != "y":
        break