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Asked: 2026-06-03T01:23:07+00:00

Im trying to write a script using python language(abc.py). I need to take few

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Im trying to write a script using python language(abc.py). I need to take few command line arguments while executing the script.

say -m, -p are my arguments. I need to have a string beside these options.
ex: 

 1. $> python abc.py -m 'first' -p 'second' {correct}
 2. $> python abc.py -p 'first' -m 'second' {correct}
 3. $> python abc.py -m -p 'first' 'second' {Incorrect}
 4. $> python abc.py 'first' -p 'second' {Incorrect}

I have more such arguments like -m, -p. What is the best algorithm to check if the passed arguments are in the correct format. I am unable think other than the method maintaining the previous argument and check based on it.

Thanks for you help in advance

Anji

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1 Answer

  1. Editorial Team

    You don’t need to do that yourself, Python as they say comes with batteries included. The standard library has two modules for parsing command line arguments: argparse for python 2.7+ and optparse for 2.6 or older. Documentation for those has good usage examples, too.

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