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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 delete(self, table, keyset):
 """Delete one or more table rows. :type table: str :param table: Name of the table to be modified. :type keyset: :class:`~google.cloud.spanner_v1.keyset.Keyset` :param keyset: Keys/ranges identifying rows to delete. """

        delete = Mutation.Delete(table=table, key_set=keyset._to_pb())
        self._mutations.append(Mutation(delete=delete))