mac 升级Monterey
# env: python: No such file or directory 问题处理
ln -s /Library/Developer/CommandLineTools/Library/Frameworks/Python3.framework/Versions/3.9/bin/python3 /usr/local/bin/python3 ln -s -f /usr/local/bin/python3 /usr/local/bin/python
https://www.freecodecamp.org/chinese/news/python-version-on-mac-update/