code: def get_message(self, message_id):
          
          r = requests.get('https://outlook.office.com/api/v2.0/me/messages/' + message_id, headers=self._headers)
          check_response(r)
          return Message._json_to_message(self, r.json())
docs: Gets message matching provided id.
  
           the Outlook email matching the provided message_id.
  
          Args:
              message_id: A string for the intended message, provided by Outlook
  
          Returns:
              :class:`Message <pyOutlook.core.message.Message>`