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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_times_covered_by_files(self):
 """ Find the coalesced intersection of the segments of all files in the list. """

        times = segments.segmentlist([])
        for entry in self:
            times.extend(entry.segment_list)
        times.coalesce()
        return times