RockPaperScissors.py

import random


class Game:
    def __init__(self):
        # get the computer's pick
        self.computer_pick = self.get_computer_pick()

        # get the user's pick
        self.user_pick = self.get_user_pick()

        # get the result of the game
        self.result = self.get_result()

    def get_computer_pick(self):
        # get random number among 1, 2 and 3
        random_number = random.randint(1, 3)

        # possible options
        options = {1: "rock", 2: "paper", 3: "scissors"}

        # return the value present at random_number
        return options[random_number]

    def get_user_pick(self):
        # infinite while loop
        while True:
            user_pick = input("Enter rock/paper/scissors: ")

            # convert to lowercase
            user_pick = user_pick.lower()

            # if user_pick is either rock or paper or scissors,
            # terminate the loop
            if user_pick in ("rock", "paper", "scissors"):
                break
            else:
                print("Wrong input!")

        return user_pick

    def get_result(self):
        # condition for draw
        if self.computer_pick == self.user_pick:
            return "draw"

        # condition for the user to win
        elif self.user_pick == "paper" and self.computer_pick == "rock":
            return "win"
        elif self.user_pick == "rock" and self.computer_pick == "scissors":
            return "win"
        elif self.user_pick == "scissors" and self.computer_pick == "paper":
            return "win"

        # in all other conditions, users lose
        else:
            return "lose"

    def print_result(self):
        print(f"Computer's pick: {self.computer_pick}")
        print(f"Your pick: {self.user_pick}")
        print(f"You {self.result}")


# create an object of the Game class

# run game 5 times
# for i in range(5):
#     game = Game()
#     game.print_result()

# ask user to run the game again
while True:
    game = Game()
    game.print_result()

    play_again = input("Do you want to play again? (y/n): ")

    # if user enter any other character other than y, the game ends
    if play_again != "y":
        break