error 22

import os<br><br>letter_template = {}<br><br>def get_template(letter):<br> for char in letter:<br> letter_template[char] = 0<br> return letter_template<br><br>def check_for_templates(letter):<br><br> letter = letter.lower()<br> for key in letter_template:<br> if key not in letter:<br> return False<br> return True<br><br>def get_extention(filename):<br> extention, name = filename.split('.')<br><br>def get_filename(filename):<br> extention, name = filename.split('.')<br><br>def main():<br> directory = os.listdir()<br> files = []<br> word = 'погода'<br> letter_list = get_template(word)<br><br> for file in directory:<br> check = check_for_templates(file)<br> if check:<br> if file.endswith('.txt'):<br> files.append(file)<br><br> for file in files:<br> if file.endswith('.txt'):<br> file = open(file, 'r')<br> data = file.read()<br> file.close()<br> print(file)<br><br>if __name__ == '__main__':<br> main()