The DigiCult Game | Python Fiddle

import sys
import time
import random

class Game(object):

TASK_COUNT = 30
    MAX_TIME = 2
    
    def __init__(self):
        self.score = 0
        self.answer = {
            "abo": None,
            "ab": None,
            "ao": None,
            "bo": None,
            "a": "a",
            "b": "b",
            "o": "o"}

def generate_task(self):
        return random.choice("abo")

def flash(self, display):
        line = "\r{}   {}   {}     SCORE: {:d}".format(
            "A" if "a" in display else " ",
            "B" if "b" in display else " ",
            "O" if "o" in display else " ",
            int(self.score))
        sys.stdout.write(line)

def task(self, display):
        self.flash(display)
        t = time.time()
        choice = input("> ")
        dt = t - time.time()
        
        self.flash(display)
        
        if display == choice:
            return dt, True
        else:
            return dt, False

def start(self):
        for task_no in range(self.TASK_COUNT):
            dt, correct = self.task(self.generate_task())
            if correct:
                score = max(99 - (dt * 33), 0)
            else:
                score = 0
            self.score += score

if __name__ == "__main__":
    g = Game()
    g.start()

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