async def toggle_brb(event, turn_on):
    global turned_on
    turned_on = turn_on
    sender = (await event.message.get_sender())
    (await event.reply(f'BRB on: {turned_on}'))
async def toggle_brb(event, turn_on):
    global turned_on
    turned_on = turn_on
    sender = (await event.message.get_sender())
    (await event.reply(f'BRB on: {turned_on}'))