old_contents: from collections import namedtuple
  
  
  class User:
      def __init__(self, id_, first_name, last_name='', username=''):
          self.id = id_
          self.first_name = first_name
          self.last_name = last_name
          self.username = username
  
      @classmethod
      def from_database(cls, user):
          return cls(*user)
  
      @classmethod
      def from_telegram(cls, user):
          copy = user.copy()
          copy['id_'] = copy['id']
          del copy['id']
          return cls(**copy)
  
  
  class Quote:
      def __init__(self, id_, chat_id, message_id, sent_at, sent_by,
              content, quoted_by=None):
          self.id = id_
          self.chat_id = chat_id
          self.message_id = message_id
          self.sent_at = sent_at
          self.sent_by = sent_by
          self.content = content
          self.quoted_by = quoted_by
  
      @classmethod
      def from_database(cls, quote):
          return cls(*quote)
  
  
  Result = namedtuple('Result', ['quote', 'user'])
  
new_contents: from collections import namedtuple
  
  
  class User:
      def __init__(self, id_, first_name, last_name='', username='',
              language_code=''):
          self.id = id_
          self.first_name = first_name
          self.last_name = last_name
          self.username = username
  
      @classmethod
      def from_database(cls, user):
          return cls(*user)
  
      @classmethod
      def from_telegram(cls, user):
          copy = user.copy()
          copy['id_'] = copy['id']
          del copy['id']
          return cls(**copy)
  
  
  class Quote:
      def __init__(self, id_, chat_id, message_id, sent_at, sent_by,
              content, quoted_by=None):
          self.id = id_
          self.chat_id = chat_id
          self.message_id = message_id
          self.sent_at = sent_at
          self.sent_by = sent_by
          self.content = content
          self.quoted_by = quoted_by
  
      @classmethod
      def from_database(cls, quote):
          return cls(*quote)
  
  
  Result = namedtuple('Result', ['quote', 'user'])
  
subject: Update User class to match Telegram API