解决Jupyter Notebook使用parser.parse_args出现错误问题

usage: ipykernel_launcher.py [-h] [--x_dim XDIM] [--h_dim HDIM] [--z_dim ZDIM]
        [--ratio RATIO] [--seed SEED]
ipykernel_launcher.py: error: unrecognized arguments: -f C:\Users\MSI-NBOOK\AppData\Roaming\jupyter\runtime\kernel-f881e2bc-0a12-4207-b4cf-1cf484ec88f2.json
An exception has occurred, use %tb to see the full traceback.

SystemExit: 2

F:\Anaconda3\lib\site-packages\IPython\core\interactiveshell.py:2971: UserWarning: To exit: use 'exit', 'quit', or Ctrl-D.
 warn("To exit: use 'exit', 'quit', or Ctrl-D.", stacklevel=1)

import argparse 
parser = argparse.ArgumentParser() 
parser.add_argument( 
 '--flag_int', 
 type=float, 
 default=0.01, 
 help='flag_int.' 
) 
FLAGS, unparsed = parser.parse_known_args() 
print(FLAGS) 
print(unparsed)

$ python prog.py --flag_int 0.02 --double 0.03 a 1
Namespace(flag_int=0.02)
['--double', '0.03', 'a', '1']