When python installs pip, some smaller ones are ok, but some big packages will be slow. At this time, you can use the mirror image of Tsinghua University to install and open the terminal.

For example, to install the selenium package, you can write like this

You can set the Tsinghua source as the default source.

First, pip should be upgraded to above 10.

If you need to change it to Ali source, please change the url to: /pypi/simple.