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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 find(self, path, all=False):
 """ Work out the uncached name of the file and look that up instead """

        try:
            start, _, extn = path.rsplit('.', 2)
        except ValueError:
            return []
        path = '.'.join((start, extn))
        return find(path, all=all) or []