The Python Packaging Authority (PyPA) is a working group that maintains a core set of software projects used in Python packaging.
PyPA推荐使用pip进行Python包管理。
pip -V
pip list
pip list --outdated
- 详细信息
pip show selenium
pip install pip
pip install selenium=3.0.1
pip uninstall selenium
https://pypi.tuna.tsinghua.edu.cn/simple