<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def create_remote_subnet(self, account_id, identifier, cidr):
 """Creates a remote subnet on the given account. :param string account_id: The account identifier. :param string identifier: The network identifier of the remote subnet. :param string cidr: The CIDR value of the remote subnet. :return dict: Mapping of properties for the new remote subnet. """

        return self.remote_subnet.createObject({
            'accountId': account_id,
            'cidr': cidr,
            'networkIdentifier': identifier
        })