就是找到硬盘中所有的MP3文件和wma文件，再随机打开其中的一个。

    import os,random        disk=['D','E','F','G','H']         def search_file(filename,search_path,pathsep=os.pathsep):            for path in search_path.split(pathsep):                candidate = os.path.join(path,filename)                if os.path.isfile(candidate):                    return os.path.abspath(candidate)        def random_play():            music=[]            found=False            for i in range(0,5):                for dirpath, dirnames, filenames in os.walk(disk[i]+':/'):                    for filename in filenames:                        if os.path.splitext(filename)[1] == '.mp3':                            filepath = os.path.join(dirpath, filename)                            if os.path.getsize(filepath)>1048576:#这里是为了防止打开一些非音乐音频，比如游戏配音                                music.append(filepath)                                found=True            if not found:                for dirpath, dirnames, filenames in os.walk('C:/Users'):                    for filename in filenames:                        if os.path.splitext(filename)[1] == '.mp3':                            filepath = os.path.join(dirpath, filename)                            if os.path.getsize(filepath)>1048576:                                music.append(filepath)                                found=True            if not found:                for i in range(0,5):                    for dirpath, dirnames, filenames in os.walk(disk[i]+':/'):                        for filename in filenames:                            if os.path.splitext(filename)[1] == '.wma':                                filepath = os.path.join(dirpath, filename)                                if os.path.getsize(filepath)>1048576:                                    music.append(filepath)                                    found=True            if not found:                for dirpath, dirnames, filenames in os.walk('C:/Users'):                    for filename in filenames:                        if os.path.splitext(filename)[1] == '.wma':                            filepath = os.path.join(dirpath, filename)                            if os.path.getsize(filepath)>1048576:                                music.append(filepath)                                found=True            random_music=random.choice(music)            os.startfile(random_music)            if not found:                print'没有找到音频文件'        if __name__=='__main__':            random_play()