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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 slugify_argument(func):
 """ Wraps a function that returns a string, adding the 'slugify' argument. 'YOU ARE A NICE LADY' 'you-are-a-nice-lady' """

    @six.wraps(func)
    def wrapped(*args, **kwargs):
        if "slugify" in kwargs and kwargs['slugify']:
            return _slugify(func(*args, **kwargs))
        else:
            return func(*args, **kwargs)
    return wrapped