code: def list(self, **params):
          
  
          _, _, leads = self.http_client.get("/leads", params=params)
          return leads
docs: Retrieve all leads
  
          Returns all leads available to the user, according to the parameters provided
  
          :calls: ``get /leads``
          :param dict params: (optional) Search options.
          :return: List of dictionaries that support attriubte-style access, which represent collection of Leads.
          :rtype: list