parameters: ()
return_statement: return args
docstring: parse command argument
docstring_summary: parse command argument
docstring_tokens: parse command argument
function: def parse_args():
      """parse command argument
      """
      parser = argparse.ArgumentParser()
      parser.add_argument('input', type=str, help="memory statistic result file")
      args = parser.parse_args()
      assert os.path.exists(args.input), "input file not exists"
      return args
function_tokens: def parse_args ( ) : parser = argparse . ArgumentParser ( ) parser . add_argument ( 'input' , type = str , help = "memory statistic result file" ) args = parser . parse_args ( ) assert os . path . exists ( args . input ) , "input file not exists" return args