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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_entry_link(self, entry):
 """ Returns a unique link for an entry """

        entry_link = None
        for link in entry.link:
            if '/data/' not in link.href and '/lh/' not in link.href:
                entry_link = link.href
                break
        return entry_link or entry.link[0].href