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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 findspan(self, *words):
 """Returns the span element which spans over the specified words or morphemes. See also: :meth:`Word.findspans` """


        for span in self.select(AbstractSpanAnnotation,None,True):
            if tuple(span.wrefs()) == words:
                return span
        raise NoSuchAnnotation