Timtaran

text=['sus', 'sus3', 'sus5'] #Список
result=[] #Итоговый, разделенный список
limit=2 #Сколько пунктов может быть в одном списке
i=1
p=[]
for texts in text:
	if i==limit:
		p.append(texts)
		result.append(p)
		p=[]
		i=1
	else:
		p.append(texts)
	i+=1

value=`cat mylist.txt`
ffmpeg -stream_loop -1 -thread_queue_size 1500 -i stream.mp4 -stream_loop -1 -i "$value" -shortest -map 0:v:0 -map 1:a:0? -acodec aac -pix_fmt yuv420p -vcodec libx264 -b:v 500k -crf 35 -intra-refresh 1 -g 1 -filter:v "scale=-1:1080" -r 5 -preset ultrafast -tune zerolatency -err_detect ignore_err -truncate 0 -f flv "rtmp"

from youtube_dl import YoutubeDL
from os import system 
while True: 
	with YoutubeDL({}) as ydl: 
		file = open('url.txt', 'r')
		url=file.read()
		file.close()
		song_info = ydl.extract_info(url, download=False)
		su=song_info["formats"][0]["url"]
		file = open('mylist.txt', 'w')
		file.write(su)
		file.close()
		system('sh stream.sh')

s = [1, 2, 3]
print(s[3])