code: def make_url(self, container=None, resource=None, query_items=None):
          
          pth = [self._base_url]
          if container:
              pth.append(container.strip('/'))
          if resource:
              pth.append(resource)
          else:
              pth.append('')
          url = '/'.join(pth)
          if isinstance(query_items, (list, tuple, set)):
              url += RestHttp._list_query_str(query_items)
              query_items = None
          p = requests.PreparedRequest()
          p.prepare_url(url, query_items)
          return p.url
docs: Create a URL from the specified parts.