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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 get_closest(word, possibilities, cutoff=0.6, fallback_to_first=True):
 """Returns closest match or just first from possibilities."""

    possibilities = list(possibilities)
    try:
        return difflib_get_close_matches(word, possibilities, 1, cutoff)[0]
    except IndexError:
        if fallback_to_first:
            return possibilities[0]