Rock, Paper, Scissors

game.py

import random

def tick(humanChoice, computerChoice):
	if (humanChoice == computerChoice):
		return {
			'winner': None,
			'hScore': 0,
			'cScore': 0,
		};

	if (humanChoice - computerChoice) % 3 == 1:
		return {
			'winner': 'Human',
			'hScore': 1,
			'cScore': 0,
		};
	else:
		return {
			'winner': 'Computer',
			'hScore': 0,
			'cScore': 1,
		};

def startGame():
	loopGame = True;
	humanScore = 0;
	computerScore = 0;

	while loopGame == True:
		print('type "exit" to exit');
		humanChoice = input('Pick rock, paper, or scissors: ');

		if humanChoice == 'exit':
			loopGame = False;
			break;

		humanNumber = choiceNumber(humanChoice);
		computerChoice = random.choice([0, 1, 2]);

		result = tick(humanNumber, computerChoice);

		humanScore += result['hScore'];
		computerScore += result['cScore'];

		print('Computer picked: %s' % numberChoice(computerChoice));
		print('Human picked: %s' % numberChoice(humanNumber));

		if (result['winner'] is None):
			print('Tie!')
		else:
			print('%s wins!' % result['winner']);

		print('Human: %s' % humanScore);
		print('Computer: %s' % computerScore);
		print('---')

def choiceNumber(choice):
	return {
		'rock': 0,
		'paper': 1,
		'scissors': 2,
	}[choice];

def numberChoice(number):
	return {
		0: 'rock',
		1: 'paper',
		2: 'scissors',
	}[number];

# start the game
startGame();