code: def parse_config(self, config_file):
          
  
          with open(config_file, 'r') as f:
              config = json.load(f)
          self.params = config
          if self.params['proxy']['proxy_type']:
              self.params['proxy'] = {self.params['proxy']['proxy_type']:
                                      self.params['proxy']['proxy_url']}
docs: Given a configuration file, read in and interpret the results
  
          :param config_file:
          :return: