How to download pdf files from URLs leading to sub-URLs using Python
问题 I am trying to download all pdf files from the links in the following URLs: https://www.adb.org/projects/documents/country/ban/year/2020?terms=education https://www.adb.org/projects/documents/country/ban/year/2019?terms=education https://www.adb.org/projects/documents/country/ban/year/2018?terms=education These URLs have lists of links which directs to sub-links containing pdf files. The lists of links in the main URLs come from the search result of a country, year and a term. I have tried