英文版課程，建議英文好的同學學習。
Python Web Crawler Tutorial
【課程目錄】
1 – Creating a New Project
2 – Queue and Crawled Files
3 – Adding and Deleting Links
4 – Speeding Up the Crawler
5 – Parsing HTML
6 – Finding Links
7 – Spider Concept
8 – Creating the Spider
9 – Giving the Spider Information
10 – Booting Up the Spider
11 – Crawling Pages
12 – Gathering Links
13 – Adding Links to the Queue
