code: def _read_config(config_location):
      
      global LOGGING_CONFIG
      with open(config_location, "r") as config_loc:
          cfg_file = json.load(config_loc)
          if "logging" in cfg_file:
              log_dict = cfg_file.get("logging")
              with open(os.path.abspath(os.path.join(__file__,
                                                     os.path.pardir,
                                                     'logging_schema.json'))) as schema_file:
                  logging_schema = json.load(schema_file)
                  jsonschema.validate(log_dict, logging_schema)
                  merged = jsonmerge.merge(LOGGING_CONFIG, log_dict)
                  LOGGING_CONFIG = merged
docs: Read configuration for logging from a json file. Merges the read dictionary to LOGGING_CONFIG.
  
      :param config_location: Location of file.
      :return: nothing.