Untitled

if __name__ == '__main__':
    print("Please pick one:\n\trock\n\tscissors\n\tpaper")

    while True:
        game_dict = {'rock': 1, 'scissors': 2, 'paper': 3}
        player_a = input("Player a: ")
        player_b = input("Player b: ")
        a = game_dict[player_a]
        b = game_dict[player_b]
        different = a - b

        if different in [-1, 2]:
            print("Player a wins!")
            if input("Do you want to play again? (yes or no)\n").lower() == "yes":
                continue
            else:
                print('Game over')
                break
        elif different in [-2, 1]:
            print("Player b wins!")
            if input("Do you want to play again? (yes or no)\n").lower() == "yes":
                continue
            else:
                print('Game over')
                break
        else:
            print("Draw. Please continue.")
            continue