Demonstrates using PySimpleGUI to create a "flash card" type of mult game

RedditMultGame2.py

import PySimpleGUI as sg
from random import randint

NUM_GUESSES_ALLOWED = 3

layout = [  [sg.Text('Multiplication Game', text_color='blue')],
            [sg.Text('', size=(20,1), font='Arial 20', key='_QUESTION_', text_color='red')],
            [sg.Input(size=(4,1), enable_events=True, key='_ANSWER_'), sg.Text('', size=(24,1), text_color='red', key='_OUTPUT_')],
            # [sg.Button('Answer', bind_return_key=True), sg.Button('Quit')],
            [sg.Text('Change Difficulty Level')],
            [ sg.Radio('Easy', 1, key='_EASY_', default=True), sg.Radio('Medium', 1, key='_MED_'), sg.Radio('Hard', 1, key='_HARD_')]  ]

window = sg.Window('Multiplication Game',
                   font='Arial 14').Layout(layout).Finalize()

while True:             # Event Loop
    var1, var2 = randint(0,10), randint(0,10)
    answer = var1 * var2
    window.Element('_QUESTION_').Update('What is {} X {}'.format(var1, var2))
    guess_count = 0
    while True:
        event, values = window.Read()
        if event in (None, 'Quit'):
            window.Close()
            exit()
        if values['_ANSWER_'] == str(answer):
            window.Element('_OUTPUT_').Update('Correct!')
            window.Element('_ANSWER_').Update('')
            break
        if len(values['_ANSWER_']) >= len(str(answer)):
            window.Element('_ANSWER_').Update('')
            window.Element('_OUTPUT_').Update('{} is not correct'.format(values['_ANSWER_']))
            guess_count += 1
            if guess_count >= NUM_GUESSES_ALLOWED:
                window.Element('_OUTPUT_').Update('Sorry, the answer was {}'.format(answer))
                break

If removing the difficulty level stuff, you get this window: