start_game = input("Type 'enter' to enter the game: ")
while start_game != "enter":
    start_game = input("Type 'enter' to enter the game: ")
if start_game == "enter":
    print("Your entered a two player 'Rock Paper Scissors' game.")
    player_1 = input("Player 1's turn: ")
    player_2 = input("Player 2's turn: ")
    while player_1 == player_2:
        player_1 = input("Player 1's turn: ")
        player_2 = input("Player 2's turn: ")
    if player_1 != player_2:
        if player_1 == "rock" and player_2 == "paper":
            print("Player 2 won.")
        elif player_1 == "rock" and player_2 == "scissors":
            print("Player 1 won.")
        if player_1 == "paper" and player_2 == "rock":
            print("Player 1 won.")
        elif player_1 == "paper" and player_2 == "scissors":
            print("Player 2 won.")
        if player_1 == "scissors" and player_2 == "rock":
            print("Player 2 won.")
        elif player_1 == "scissors" and player_2 == "paper":
            print("Player 1 won.")