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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 convert_kwargs_to_cmd_line_args(kwargs):
 """Helper function to build command line arguments out of dict."""

    args = []
    for k in sorted(kwargs.keys()):
        v = kwargs[k]
        args.append('-{}'.format(k))
        if v is not None:
            args.append('{}'.format(v))
    return args