1.安装Python 3
2.查看Python3 安装路径
打开终端,输入which python3,查看路径:
/Library/Frameworks/Python.framework/Versions/3.6/bin/python3
3.打开配置文件
open ~/.bash_profile
4.写入外部环境变量
export PATH=${PATH}://Library/Frameworks/Python.framework/Versions/3.6/bin/python3
5.重命名Python
alias python="/Library/Frameworks/Python.framework/Versions/3.6/bin/python3"
6.关闭文件
7.终端执行命令:
source ~/.bash_profile
8.终端执行命令: python
检查Python版本
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