import sys def change_password(password): char_to_digit = { '1':'1','0':'0', 'a':'2','b':'2','c':'2', 'd':'3','e':'3','f':'3', 'g':'4','h':'4','i':'4', 'j':'5','k':'5','l':'5', 'm':'6','n':'6','o':'6', 'p':'7','q':'7','r':'7','s':'7', ...