How to resolve code injection problem arise because of argument parser library like sys.arg, optparse,argparse

Question

I have tried to validate all argument before using them but it didn't work , I got vulnerability on below line
opt = parser.parse_args().... using argparse
Is there any way to parse command line argument,
(I know sub process library in python but that is for automation of command line argument)

Answer 1

AARTI SHELAR Pls add in the question description a link to your code in Code Playground and explain the vulnerability you got

Answer 2

AARTI SHELAR Create -> Code -> New. Save as public. Then edit your question description, tap "+", then "Code", and select the one you saved.

Answer 3

Where is code playground ? Please tell me