制作“蟒蛇"在提示符下运行 python3 [英] Make "python" run python3 at the prompt

问题描述

我有两个 python 安装..

I have two python installations..

python --> /Users/fraz/anaconda/bin/python (python2.7)

python --> /Users/fraz/anaconda/bin/python (python2.7)

python3.7 --> /usr/local/bin/python3.7

现在..我想重新分配命令.这样的python 指向 python3.7 --> /usr/local/bin/python3.7

Now.. I want reassign the commands. Such that python points to python3.7 --> /usr/local/bin/python3.7

和python2指向python2.7 /Users/fraz/anaconda/bin/python

我该如何进行重新分配?

How do i do this reassignment?

推荐答案

follow 这个问题，修改你的~/.bashrc，增加一行:

follow this question, modify your ~/.bashrc, add a new line:

alias python=python3.7

保存并退出然后打开终端，输入

save and exit then open terminal, type

source ~/.bashrc

在我的机器上，输入 python2 将默认打开 python 2.x.但如果需要，您可以添加新别名

in my machine, typing python2 will open python 2.x by default. but if needed, you can add a new alias

alias python2=python2.7

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