code: def load_config(filename):
      
  
      if filename is None:
          filename = ''
  
      abs_filename = os.path.join(os.getcwd(), filename)
  
      global FILE
  
      # find the config file
      if os.path.isfile(filename):
          FILE = filename
      elif os.path.isfile(abs_filename):
          FILE = abs_filename
      elif os.path.isfile(FILE):
          pass
      else:
          if os.path.dirname(filename):
              file_not_found = filename
          else:
              file_not_found = abs_filename
          file_not_found_message(file_not_found)
  
      # load config
      init(FILE)
docs: Load data from config file to `cfg` that can be accessed by get, set
      afterwards.
  
      Specify absolute or relative path to your config file.
  
      :param filename: Relative or absolute path
      :type filename: str