Rock Paper Scissors

import random

while True:
    print('Make your choice:')
    choice = str(input())
    choice = choice.lower()

    print("My choice is", choice)

    choices = ['rock', 'paper', 'scissors']

    computer_choice = random.choice(choices)

    print("Computer choice is", computer_choice)
    if choice in choices:
        if choice == computer_choice:
            print('it is a tie')
        if choice == 'rock':
            if computer_choice == 'paper':
                print('you lose, sorry :(')
            elif computer_choice == 'scissors':
                print('You win!!!!! congrats :)')
        if choice == 'paper':
            if computer_choice == 'scissors':
                print('you lose, sorry :(')
            elif computer_choice == 'rock':
                print('You win!!!!! congrats :)')
        if choice == 'scissors':
            if computer_choice == 'rock':
                print('you lose, sorry :(')
            elif computer_choice == 'paper':
                print('You win!!!!! congrats :)')
    else:
        print('invalid choice, try again')

    print()








OR











import random

random.seed(42)

while True:
    print("Make your guess:", end=" ")
    guess = str(input())
    guess = guess.lower()
    print("you guessed", guess)
    choices = ['rock', 'paper', 'scissors']
    computer_guess = random.choice(choices)
    print("computer guessed", computer_guess)
    guess_dict = {'rock': 0, 'paper': 1, 'scissors': 2}
    guess_idx = guess_dict.get(guess, 3)
    computer_idx = guess_dict.get(computer_guess)
    result_matrix = [[0,2,1],
                     [1,0,2],
                     [2,1,0],
                     [3,3,3]]
    result_idx = result_matrix[guess_idx][computer_idx]
    result_messages = ["it is a tie", "You win!!! Congrats", 'the computer wins :(', 'invalid guess']
    result = result_messages[result_idx]
    print(result)
    print()