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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 Copy(self, old_urn, new_urn, age=NEWEST_TIME, limit=None, update_timestamps=False):
 """Make a copy of one AFF4 object to a different URN."""

    new_urn = rdfvalue.RDFURN(new_urn)

    if update_timestamps and age != NEWEST_TIME:
      raise ValueError(
          "Can't update timestamps unless reading the latest version.")

    values = {}
    for predicate, value, ts in data_store.DB.ResolvePrefix(
        old_urn,
        AFF4_PREFIXES,
        timestamp=self.ParseAgeSpecification(age),
        limit=limit):
      if update_timestamps:
        values.setdefault(predicate, []).append((value, None))
      else:
        values.setdefault(predicate, []).append((value, ts))

    if values:
      with data_store.DB.GetMutationPool() as pool:
        pool.MultiSet(new_urn, values, replace=False)
        self._UpdateChildIndex(new_urn, pool)