我想把這個課程頁面中所有的子課程的網址都爬下來,因為中間有穿插考試跟作業的頁面換頁按鈕的位置都不一樣請問如何解決呢?
換頁中會遇到以固定下三種頁面:
https://www.udemy.com/course/intermediate-level-grammar-building-blocks/learn/lecture/19525474#content
https://www.udemy.com/course/intermediate-level-grammar-building-blocks/learn/quiz/5026048#overview
https://www.udemy.com/course/intermediate-level-grammar-building-blocks/learn/practice/1425308#overview