因为要将一个hls文件的本地文件给做出live（类似于播放列表.m3u8无限循环）的效果, 就用一个list来demo一下

RepeatAll.py

# -*-coding:utf-8 -*-
import time


def ListRepeat(list, duration):
    """
    call ListRepeat(list, duration), result should be like below:
    ['0', '1', '2', '3', '4', '5']
    ['1', '2', '3', '4', '5', '6']
    ['2', '3', '4', '5', '6', '7']
    ['3', '4', '5', '6', '7', '8']
    ['4', '5', '6', '7', '8', '9']
    ['5', '6', '7', '8', '9', '0']
    ['6', '7', '8', '9', '0', '1']
    ['7', '8', '9', '0', '1', '2']
    ['8', '9', '0', '1', '2', '3']
    ['9', '0', '1', '2', '3', '4']
    """
    n = 0
    while 1:
        if n <= len(list):
            if n <= len(list) - duration:
                print list[n: n + duration]
            else:
            # len(list) - duration < n < len(list):
                print list[n:] + list[:(duration - (len(list) - n))]
        else:
            n -= len(list)
            print list[n: n + duration]
        n += 1
        time.sleep(1)

a = [str(i) for i in range(10)]

if __name__ == '__main__':
    ListRepeat(a, 6)