<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_room(room):
 """Creates a MUC room on the XMPP server."""


    if room.custom_server:
        return

    def _create_room(xmpp):
        muc = xmpp.plugin['xep_0045']
        muc.joinMUC(room.jid, xmpp.requested_jid.user)
        muc.configureRoom(room.jid, _set_form_values(xmpp, room))

    current_plugin.logger.info('Creating room %s', room.jid)
    _execute_xmpp(_create_room)