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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 check_all(self, all_entries, *args, **kwargs):
 """ Go through lists of entries, find overlaps among each, return the total """

        all_overlaps = 0
        while True:
            try:
                user_entries = all_entries.next()
            except StopIteration:
                return all_overlaps
            else:
                user_total_overlaps = self.check_entry(
                    user_entries, *args, **kwargs)
                all_overlaps += user_total_overlaps