'move one step eastwards'

def func(self):

    caller = self.caller
    bridge_step = min(5, (caller.db.tutorial_bridge_position + 1))
    if (bridge_step > 4):
        eexit = search_object(self.obj.db.east_exit)
        if eexit:
            caller.move_to(eexit[0])
        else:
            caller.msg('No    east    exit    was    found    for    this    room.    Contact    an    admin.')
        return
    caller.db.tutorial_bridge_position = bridge_step
    caller.location.msg_contents(('%s    steps    eastwards    across    the    bridge.' % caller.name), exclude=caller)
    caller.execute_cmd('look')
