code: def get_logger(process_name, append_to_console=None, redirect_stdstream=None):
      
      if append_to_console is None:
          append_to_console = settings.settings['under_test']
      if redirect_stdstream is None:
          redirect_stdstream=not settings.settings['under_test']
  
      if process_name not in logger_pool:
          file_name = get_log_filename(process_name)
          log_tag = get_log_tag(process_name)
          logger_pool[process_name] = Logger(file_name, log_tag,
                                             append_to_console=append_to_console,
                                             redirect_stdstream=redirect_stdstream)
      return logger_pool[process_name].get_logger()
docs: method returns initiated logger