from pydub import AudioSegment
from datetime import datetime
from pathlib import Path
date=datetime.today().strftime("%Y%m%d") #生成日期
files=[file for file in Path("sounds").iterdir() if file.name.endswith(".mp3")] #遍历sounds目录下的文件
def merge_mp3(files):
    song= AudioSegment.silent(duration=100)
    for file in sorted(files,reverse=True):
        songclip=AudioSegment.from_file(file)
        song =  songclip + song
    song= AudioSegment.silent(duration=2000)+song
    return song
sound=merge_mp3(files) #合并mp3
sound.export(f'{date}.mp3', format("mp3")) #把合并合的mp3进行合成然后重命名。