python的各种推导式（列表推导式、字典推导式、集合推导式）

https://blog.csdn.net/chengxuyuanyonghu/article/details/79026988

https://www.cnblogs.com/tkqasn/p/5977653.html

https://blog.csdn.net/weixin_39506322/article/details/88384125