docs: def get_leads(self, offset=None, limit=None, lead_list_id=None,
                    first_name=None, last_name=None, email=None, company=None,
                    phone_number=None, twitter=None):
          """
          Gives back all the leads saved in your account.
  
          :param offset: Number of leads to skip.
  
          :param limit: Maximum number of leads to return.
  
          :param lead_list_id: Id of a lead list to query leads on.
  
          :param first_name: First name to filter on.
  
          :param last_name: Last name to filter on.
  
          :param email: Email to filter on.
  
          :param company: Company to filter on.
  
          :param phone_number: Phone number to filter on.
  
          :param twitter: Twitter account to filter on.
  
          :return: All leads found as a dict.
          """
          args = locals()
          args_params = dict((key, value) for key, value in args.items() if value
                             is not None)
          args_params.pop('self')
  
          params = self.base_params
          params.update(args_params)
  
          endpoint = self.base_endpoint.format('leads')
  
          return self._query_hunter(endpoint, params)