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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 purge(self):
 """ Delete PARTIAL data files and remove torrent from client. """

        def partial_file(item):
            "Filter out partial files"
            #print "???", repr(item)
            return item.completed_chunks < item.size_chunks

        self.cull(file_filter=partial_file, attrs=["get_completed_chunks", "get_size_chunks"])