exported wechat's voice! 成功导出微信语音！ 2019.07.06.

exported wechat's voice! hiahiahia,
then need to convert the WAV format voice to text.

knowing and doing.   具体的明细步骤已经记录到了笔记本，接下来需要通过python进行wav格式的语音转换为文本，方便检索和快速浏览。   偶尔换换脑子挺好。   by the way. the google's todo list app is so good . It is KISS!