<ul><li>The getopt library in Python is used to parse command line arguments passed to Python in the script invocation.</li><li>Python’s argparse allows a program to accept arguments/options in any order.</li><li>The getopt function is the preferred option because it is more intuitive than the getopt2 function.</li><li>You can use the getopt module as follows: python run.py -s Hello -n Goodbye.</li><li>The getopt function parses command line arguments with output messages on error or invalid input.</li><li>Python’s getopt library is the cleanest, easiest way to implement switch and parameter handling.</li><li>The author suggests using Python’s getopt library as the approach adopted by the general Python community.</li><li>Using getopt in Python would be simpler and cleaner despite the additional imports.</li><li>In comparison, using Python’s argparse allows a program to accept arguments/options in any order.</li><li>You simply enumerate through the list of command line arguments with a simple "for i in range(argc)" loop.</li></ul>

Using Python’s getopt

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