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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 insert_entry(self, entry, taxids):
 """Insert UniProt entry" :param entry: XML node entry :param taxids: Optional[iter[int]] taxids: NCBI taxonomy IDs """

        entry_dict = entry.attrib
        entry_dict['created'] = datetime.strptime(entry_dict['created'], '%Y-%m-%d')
        entry_dict['modified'] = datetime.strptime(entry_dict['modified'], '%Y-%m-%d')

        taxid = self.get_taxid(entry)

        if taxids is None or taxid in taxids:
            entry_dict = self.update_entry_dict(entry, entry_dict, taxid)
            entry_obj = models.Entry(**entry_dict)
            del entry_dict

            self.session.add(entry_obj)