[Python] web crawler Learn to take notes and crawl the pictures of the girls on the watercress __python

Watercress Girl is a collection of beautiful women's third party website, mainly collected from the group, shyness group, long leg group and other interested groups of users to upload their own photos, everyone here can collect their favorite watercress beauty. So how quickly do we download these sister photos to their computer. Well, I admit I wrote a crawler that can download these photos quickly, how fast. 　　You'll know when you try. 　　Although this idea is my opinion, but the code is written by myself, if there is the same , purely coincidental, reproduced also hope to indicate the source, thank you . Concrete practices and simple code I have in the form of blog in my own github on the blog, Welcome to poke here to read, here is not superfluous to transcribe again, please forgive me.