macos用brew安装和指定python3配置

brew install python@3.10。按需要去安装，再进行制定

编辑配置环境 

vi ~/.zshrc

输入：

export PATH=${PATH}:/usr/local/Cellar/python@3.10/3.10.14/bin

alias python3="/usr/local/Cellar/python@3.10/3.10.14/bin/python3.10"

alias pip="/usr/local/Cellar/python@3.10/3.10.12/bin/pip3.10"

保存

source ~/.zshrc

测验：

python3 -v