mac python2和python3安装

安装

# 安装python2.7
brew install python@2

# 安装python3版本
brew install python3

查看python版本

python --version
python3 --version

生成软连接

# mac命令生成
brew link --overwrite python

# 终端命令软连接
/usr/local/bin/python —version
ln -s /usr/local/bin/python /usr/local/opt/python/bin/python2.7