歌词解析

s = '''[ti:蓝莲花]
[ar:许巍]
[al:留声十年绝版青春北京演唱会]
[00:-01.70]蓝莲花
[00:-00.70]演唱：许巍
[00:00.00]
[00:00.70]没有什么能够阻挡
[00:06.01]你对自由的向往
[00:11.43]天马行空的生涯
[00:16.99]你的心了无牵挂
[00:21.20]
[02:11.55][01:50.60][00:22.63]穿过幽暗的岁月
[02:16.93][01:55.60][00:27.81]也曾感到彷徨
[02:22.21][02:01.09][00:33.13]当你低头的瞬间
[02:27.62][02:06.33][00:38.32]才发觉脚下的路
[02:31.64][02:10.23][00:42.37]
[02:32.97][00:43.79]心中那自由的世界
[02:38.23][00:49.50]如此的清澈高远
[02:43.30][00:54.31]盛开着永不凋零
[02:47.70][00:58.50]蓝莲花
[02:53.95][03:00.06][01:05.41]'''

lrc_dict = {}
song_dict ={}
song1 = s.splitlines()
for song2 in song1:
    # print(song2)
    if song2[1].isdecimal():
        song3 = song2.split(']')
        # print(song3)
        lrc_xinxi = song3[-1]
        # print(lrc_xinxi)
        lrc_shijian = song3[:-1]
        for lrc_shijian1 in lrc_shijian:
            # print(lrc_shijian1)
            lrc_shijian2 = lrc_shijian1[1:]
            # print(lrc_shijian2)
            lrc_shijian3 = lrc_shijian2.split(':')[0]
            lrc_shijian4 = lrc_shijian2.split(':')[-1]
            # print(lrc_shijian3)
            # print(lrc_shijian4)
            lrc_shijian5 = float(lrc_shijian3)*60+float(lrc_shijian4)
            # print(lrc_shijian5)
            lrc_dict[lrc_shijian5] = lrc_xinxi
    else:
        song4 = song2[1:-1]
        # print(song4)
        song5 = song4.split(':')
        # print(song5)
        if 'ti' == song5[0]:
            song_dict['歌名'] = song5[-1]
        elif 'ar' == song5[0]:
            song_dict['歌手'] = song5[-1]
        elif 'al' == song5[0]:
            song_dict['地点'] = song5[-1]
# print(song_dict)
lrc_time_list = list(lrc_dict)
lrc_time_list.sort(reverse=True)
# print(lrc_time_list[-1])

def cha_lrc(t):
    for s in lrc_time_list:
        if t>=s:
            return lrc_dict.get(s)
    return lrc_dict[lrc_time_list[-1]]

import time
import os

t= -2
lrc99 = None
while True:
    lrc100 = cha_lrc(t)
    if lrc99 != lrc100:
        os.system('cls')
        print(lrc100)
        lrc99 = lrc100
    t += 0.5
    time.sleep(0.5)