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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def version_cmd(argv=sys.argv[1:]):
 # pragma: no cover """\ Print the version number of Palladium. Usage: pld-version [options] Options: -h --help Show this screen. """

    docopt(version_cmd.__doc__, argv=argv)
    print(__version__)