code: def check_password(self, hashed_password, plain_password):
          
          salt, encrypted_password = hashed_password.split('$')
          re_encrypted_password = self.get_hash(salt, plain_password)
          return encrypted_password == re_encrypted_password
docs: Encode the plain_password with the salt of the hashed_password.
  
          Return the comparison with the encrypted_password.