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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 _sort_kw_matches(skw_matches, limit=0):
 """Return a resized version of keywords to the given length."""

    sorted_keywords = list(skw_matches.items())
    sorted(sorted_keywords, key=cmp_to_key(_skw_matches_comparator))
    return limit and sorted_keywords[:limit] or sorted_keywords