error with arg parser()

[vethssvikas]

Helllo there! I was running the python file and i seem to get this error: usage: ipykernel_launcher.py [-h] -i INPUT -o OUTPUT [-f F] ipykernel_launcher.py: error: the following arguments are required: -i/--input, -o/--output An exception has occurred, use %tb to see the full traceback.

SystemExit: 2 /usr/local/lib/python3.7/dist-packages/IPython/core/interactiveshell.py:2890: UserWarning: To exit: use 'exit', 'quit', or Ctrl-D. warn("To exit: use 'exit', 'quit', or Ctrl-D.", stacklevel=1)

I am not able to find a fix for this. Please help!! Thank you so much!