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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 merge_dupes(self):
 """Merge two entries that correspond to the same entry."""

        for dupe in self.dupe_of:
            if dupe in self.catalog.entries:
                if self.catalog.entries[dupe]._stub:
                    # merge = False to avoid infinite recursion
                    self.catalog.load_entry_from_name(
                        dupe, delete=True, merge=False)
                self.catalog.copy_entry_to_entry(self.catalog.entries[dupe],
                                                 self)
                del self.catalog.entries[dupe]
        self.dupe_of = []