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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 err(msg, *args, **kw):
 # type: (str, *Any, **Any) -> None """ Per step status messages Use this locally in a command definition to highlight more important information. """

    if len(args) or len(kw):
        msg = msg.format(*args, **kw)

    shell.cprint('-- <31>{}<0>'.format(msg))