CMD python指令.md 604 B

输入cmd

==*====查看====python====安装位置==
==where python==

==*查看已安装库==
==pip list 或者pip freeze==

==*查看可以更新的第三方库==
==pip list --outdated 这一步操作时间比较久==

==*更新库操作==
==pip install --upgrade selenium (selenium为库名)==

==*卸载库操作==
==pip uninstall selenium (selenium为库名)==

*升级pip
C:\Users\Administrator\AppData\Local\Programs\Python\Python310\python.exe -m pip install --upgrade pip

*安装第三方库
C:\Users\Administrator>pip install pandas

*查看pydoc
python -m pydoc