old_contents: """ Utils functions"""
  
  
  def get_sender_id(data: dict) -> str:
      """
      :param data: receives facebook object
      :return: User id which wrote a message, type -> str
      """
      sender_id = data['entry'][0]['messaging'][0]['sender']['id']
      return sender_id
  
  
  def get_user_text(data: dict) -> str:
      """
      :param data: receives facebook object
      :return: User text, type -> str
      """
      text = data['entry'][0]['messaging'][0]['message']['text']
      return text
  
  
  def split_text(text):
      return list(text.split(' '))
  
new_contents: """ Utils functions"""
  
  
  def get_sender_id(data: dict) -> str:
      """
      :param data: receives facebook object
      :return: User id which wrote a message, type -> str
      """
      sender_id = data['entry'][0]['messaging'][0]['sender']['id']
      return sender_id
  
  
  def get_user_text(data: dict) -> str:
      """
      :param data: receives facebook object
      :return: User text, type -> str
      """
      text = data['entry'][0]['messaging'][0]['message']['text']
      return text
  
  
  def split_text(text):
      """
      :param text: A text
      :return: An array with words ['hellp', 'world']
      """
      return list(text.split(' '))
  
subject: add docstring to the function