msg2 = event.object.message['attachments']
if str(msg2) == '[]':
	print('1')
else:
	msg2 = event.object.message['attachments'][0]
	if 'video' in msg2: 
		msg2 = event.object.message['attachments'][0]['video']
		own_id = str(msg2['owner_id'])
		vid_id = str(msg2['id'])
		video = 'video' + own_id + '_' + vid_id