code: def is_API_online(self):
          
          params = {'q': 'London,GB'}
          uri = http_client.HttpClient.to_url(OBSERVATION_URL,
                                              self._API_key,
                                              self._subscription_type)
          try:
              _1, _2 = self._wapi.cacheable_get_json(uri, params=params)
              return True
          except api_call_error.APICallTimeoutError:
              return False
docs: Returns True if the OWM Weather API is currently online. A short timeout
          is used to determine API service availability.
  
          :returns: bool