如何使用Python制作自己的打字导师应用程序?

　　import tkinter as tk

　　import random

　　from os import system, name

　　import time

　　def clear():

　　if name == 'nt':

　　_ = system('cls')

　　else:

　　_ = system('clear')

　　index = 0

　　list_index = 0

　　list = []

　　word_count = 10

　　f = open('words.txt', 'r')

　　for line in f:

　　list.append(line.strip())

　　random.shuffle(list)

　　list = list[:word_count]

　　print("---WELCOME TO TYPING TUTOR---")

　　time.sleep(1)

　　clear()

　　print("Total words: ", len(list))

　　time.sleep(2)

　　clear()

　　print("Word "+str(list_index+1)+" out of "+str(word_count)+":

　　start_time = time.time()

　　end_time = 0

　　time_multiplier = 2

　　lives = 3

　　score = 0

　　def keypress(event):

　　global index

　　global list_index

　　global list

　　global lives

　　global score

　　global start_time

　　global end_time

　　global time_multiplier

　　word = list[list_index]

　　if event.char == word[index]:

　　index = index + 1

　　score = score + 1

　　else:

　　clear()

　　print("Word " + str(list_index + 1) + " out of " + str(word_count) + ": " +

　　print("wrong letter!")

　　lives = lives - 1

　　print("Lives left: ", lives)

　　if lives == 0:

　　print("Game Over!")

　　print("Final Score: ", score)

　　root.destroy()

　　return

　　if index == len(word):

　　clear()

　　print("right!")

　　index = 0

　　list_index = list_index + 1

　　end_time = time.time()

　　time_taken = int(end_time - start_time)

　　time_left = time_multiplier * len(word) - time_taken

　　score = score + time_left

　　print("time taken: " + str(time_taken) + " out of " +

　　print("Current score: ", score)

　　time.sleep(1.5)

　　start_time = end_time

　　clear()

　　if list_index < len(list) and index == 0:

　　print("Word " + str(list_index + 1) + " out of " + str(word_count) + ": " +

　　elif list_index == len(list):

　　clear()

　　print("Congratulations! you have beaten the game!")

　　print("Final Score: ", score)

　　root.destroy()

　　root = tk.Tk()

　　root.bind_all('', keypress)

　　root.withdraw()

　　root.mainloop()