4.2.2

from tkinter import *

with open('dict', 'r', encoding='utf8') as f:
  dictionary = [line.replace('\n', '') for line in f.readlines()]

rules_and_author = """
Правила очень простые - первый игрок назвает слово,
второй игрок называет слово, первая буква которого
совпадает с последней буквой слова, названного первым
игроком. Далее снова первый игрок и т.д по очереди.
Первый игрок, который отправит фразу 'я сдаюсь' -
проиграл.

Автор: Tori, студентка группы P3273
"""

p1_name = ''
p2_name = ''

# start window for setting up nicknames
name_window = Tk()
name_window.title = 'Введите имена'
p1_name_label = Label(name_window, text='Имя первого игрока: ')
p2_name_label = Label(name_window, text='Имя второго игрока: ')
p1_name_label.grid(row=1, column=1)
p2_name_label.grid(row=2, column=1)
p1_name_entry = Entry(name_window, width=50)
p2_name_entry = Entry(name_window, width=50)
p1_name_entry.grid(row=1, column=2)
p2_name_entry.grid(row=2, column=2)
name_submit = Button(name_window, text='Готово!', command=name_window.destroy)
name_submit.grid(row=3, column=1)

while True:
  try:
    name_window.update()
    p1_name = p1_name_entry.get()
    p2_name = p2_name_entry.get()
  except:
    break

class Game:
  def __init__(self, p1_name, p2_name, dictionary):
    self.last_letter = ''                                     # last used letter
    self.used_words = []                                      # stores all used words
    self.bad_letters = ['ъ', 'ь', 'ы']                        # we dont have words starts with this letter in Russian language
    self.used_words_index = 2                                 # gui offset
    self.dictionary = dictionary                              # setting game dictionary
    self.current_player_name = p1_name                        # init player names
    self.p1_name = p1_name
    self.p2_name = p2_name
    self.window = Tk()                                        # gui window
    self.window.title = 'Словечки'
    self.word_field = Entry(self.window, width=50)            # field for entering words
    self.word_field.grid(row=1, column=0)
    self.submit = Button(self.window, text='Готово', command=self.process_turn) # submit button
    self.submit.grid(row=1, column=1)
    self.status_label = Label(self.window)                    # label that displays current game state
    self.status_label['text'] = f'{self.current_player_name}, назови первое слово!'
    self.status_label.grid(row=0, column=0)

    self.help_button = Button(self.window, text='Спрака', command=self.show_help) # open help button
    self.help_button.grid(row=0, column=1)
    self.help_label = Label(self.window)
    self.help_label['text'] = rules_and_author

    self.window.mainloop()                                    # gui mainloop

  def show_help(self):
    self.help_button['text'] = 'Спрятать'                     # 'open help button' -> 'close help button'
    self.help_button['command'] = self.hide_help
    self.help_label.grid(row=0, column=2)                     # display rules and author

  def hide_help(self):
    self.help_label.grid_forget()                             # hide rules and author
    self.help_button['text'] = 'Справка'                      # 'open help button' -> 'close help button'
    self.help_button['command'] = self.show_help

  def process_turn(self):
    word = self.word_field.get().lower()                      # get current word
    if self.last_letter == '':                                # first turn
      if word == '':                                          # empty word
        self.status_label['text'] = f'Нельзя задать пустое слово! {self.current_player_name}, попробуй еще раз!'
        self.word_field.delete(0, 'end')
        return
      elif word not in self.dictionary:                       # unknown word
        self.status_label['text'] = f'Я не знаю такого слова... {self.current_player_name}, попробуй еще раз!'
        self.word_field.delete(0, 'end')
        return
      else:                                                   # update last letter
        for letter in reversed(word):
          if letter in self.bad_letters:
            continue
          self.last_letter = letter
          break
        self.used_words.append(word)                          # update used words
    else:                                                     # not first turn
      if word == 'я сдаюсь':                                  # process surrender
        if self.current_player_name == p1_name:
          self.status_label['text'] = f'Поздравляю {self.p2_name} с победой!'
        else:
          self.status_label['text'] = f'Поздравляю {self.p1_name} с победой!'
        self.submit.grid_forget()
        return

      if word == '':                                          # empty word
        self.status_label['text'] = f'Нельзя задать пустое слово! {self.current_player_name}, попробуй еще раз!'
        self.word_field.delete(0, 'end')
        return
      elif word not in self.dictionary:                       # unknown word
        self.status_label['text'] = f'Я не знаю такого слова... {self.current_player_name}, попробуй еще раз!'
        self.word_field.delete(0, 'end')
        return
      elif word[0] != self.last_letter:                       # wrong first letter
        self.status_label['text'] = f'Слово должно начинаться с буквы \'{self.last_letter}\'! {self.current_player_name}, попробуй еще раз!'
        self.word_field.delete(0, 'end')
        return
      elif word in self.used_words:                           # word already used in this session
        self.status_label['text'] = f'Такое слово уже было! {self.current_player_name}, попробуй еще раз!'
        self.word_field.delete(0, 'end')
        return
      else:                                                   # update last letter
        for letter in reversed(word):
          if letter in self.bad_letters:
            continue
          self.last_letter = letter
          break
        self.used_words.append(word)                          # update used words
    if self.current_player_name == self.p1_name:              # update current player
      self.current_player_name = self.p2_name
    else:
      self.current_player_name = self.p1_name
    self.status_label['text'] = f'Текущая буква - \'{self.last_letter}\'! {self.current_player_name} - назови слово на эту букву!'
    self.word_field.delete(0, 'end')
    label = Label(self.window)                                # display userd words
    label['text'] = word
    label.grid(row=self.used_words_index, column=0)
    self.used_words_index += 1

Game(p1_name, p2_name, dictionary)