Rock-Paper_Scissors.py

# Rock-Paper-Scissors game for two players
# http://www.practicepython.org/exercise/2014/03/26/08-rock-paper-scissors.html

counter = 1
p_1_c = 0 # number of player 1 wins
p_2_c = 0 # number of player 2 wins

while 1==1:
    p_1_x = p_1_c
    p_2_x = p_2_c
    print ("Hello to Rock-Paper-Scissors.\n It's your game No. " + str(counter) + ".\n You have to type correctly rock, paper, or scissors")
    p_1 = input("Player 1, your move:\n")
    if p_1 != "rock" and p_1 != "paper" and p_1 != "scissors":
        continue
    p_2 = input("Player 2, your move:\n")
    if p_2 != "rock" and p_2 != "paper" and p_2 != "scissors":
        continue
    if p_1 == "rock":
        if p_2 == "rock":
            print ("Draw!")
        elif p_2 == "paper":
            p_2_c += 1
        else:
            p_1_c += 1
    elif p_1 == "paper":
        if p_2 == "rock":
            p_1_c += 1
        elif p_2 == "paper":
            print("Draw!")
        else:
            p_2_c += 1
    else:
        if p_2 == "rock":
            p_2_c += 1
        elif p_2 == "paper":
            p_1_c += 1
    counter += 1
    if p_1_c - p_1_x == 1:
        print ("Player 1 wins!")
    elif p_2_c - p_2_x == 1:
        print ("Player 2 wins!")
    else:
        print ("Great game, but it was a draw.")
    print ("\nP1:\t" + str(p_1_c) + " : " + str(p_2_c) + "\t P2")
    a = input("Do you want to start a new game?\ny/n\n")
    if a == "y":
        continue
    elif a == "n":
        break