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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 maybe_new(cls, values, use_comma=True):
 """If `values` contains only one item, return that item. Otherwise, return a List as normal. """

        if len(values) == 1:
            return values[0]
        else:
            return cls(values, use_comma=use_comma)