def win_decider(comp_and_user_choices):
    """
    Based on the result of the user's choice between rock, paper 
    or scissors, the program will determine who will win in what 
    scenario. And it will return the end result as well as a 
    message based on the result. The returned data type 
    will be a tuple.
    """
    player = comp_and_user_choices[0]
    computer = comp_and_user_choices[1]
    
    message = (("Win", "You win!"), ("Draw", "You both drew!"), ("Loss", "You lose!"))
    if (player, computer) in (("Rock", "Scissors"), ("Scissors", "Paper"), ("Paper", "Rock")):
        return message[0]
    elif player == computer:
        return message[1]
    else:
        return message[2]