M1 MacOS 切换系统默认Python版本

安装Python：

brew install python

编辑 ~/.zshrc :

export PATH="$(brew --prefix)/opt/python@<X>/libexec/bin:$PATH"

为python版本，例如：

export PATH="$(brew --prefix)/opt/python@3.10/libexec/bin:$PATH"

使配置生效：

source ~/.zshrc

查看结果：

% which python
/opt/homebrew/opt/python@3.10/libexec/bin/python

% python --version
Python 3.10.11

% which pip
/opt/homebrew/opt/python@3.10/libexec/bin/pip

% pip -V
pip 23.1.2 from /opt/homebrew/lib/python3.10/site-packages/pip (python 3.10)