tips python3 use usage

[lix19937]

One thing to note is that Python 3 cannot use pip install pip autoremove on the project homepage. Instead, use 'pip install python3 pip autoremove. Now you can directly use pip3 autoremove xxx to uninstall a package and all its dependent.

pip3 autoremove flasks, such as unloading flasks

[lix19937]

中文：
有一点需要注意，python3 不能使用项目主页中使用 pip install pip-autoremove，要使用 pip install python3-pip-autoremove .现在就能直接用 pip3-autoremove xxx 卸载某个包及其所有依赖了

pip3-autoremove flask, 比如卸载 flask