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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 entry_set(self, predicate=None):
 """ Returns a list clone of the mappings contained in this map. **Warning: The list is NOT backed by the map, so changes to the map are NOT reflected in the list, and vice-versa.** :param predicate: (Predicate), predicate for the map to filter entries (optional). :return: (Sequence), the list of key-value tuples in the map. .. seealso:: :class:`~hazelcast.serialization.predicate.Predicate` for more info about predicates. """

        if predicate:
            predicate_data = self._to_data(predicate)
            return self._encode_invoke(map_entries_with_predicate_codec, predicate=predicate_data)
        else:
            return self._encode_invoke(map_entry_set_codec)