如何将默认的python3设置为python3.7? [英] How to set the default python3 to python3.7?

问题描述

在Macbook上，我在/usr/local/bin/Python3中有一个Python 3.6.8，在/usr/local/bin/Python3.7中有一个Python 3.7.6(另外，Mac默认是Python2，我不想更改它).

I have a Python 3.6.8 in /usr/local/bin/Python3 and a Python 3.7.6 in /usr/local/bin/Python3.7 on my Macbook (In addition, there is Mac default Python2, which I don't want to change it).

通过检查which python3或python3 --version，我可以看到当前的默认版本是Python 3.6.8.我想将默认的Python3设置为Python 3.7.6.我该怎么办?

By check which python3 or python3 --version, I can see the current default version is Python 3.6.8. I'd like to set the default Python3 to Python 3.7.6. How can I do that?

推荐答案

您可以使用"ln"命令创建指向现有文件的符号链接(symlink)，如下所示:

You can use the "ln" command to create a symbolic link (symlink) to the existing file as:

ln -s -f /usr/local/bin/Python3.7 /usr/local/bin/python

为了确保您可以关闭终端，然后再次将其打开以检查更改的默认版本，就像以前一样.

In order to be sure you can close your terminal and then open it again to check the changes default version as before.

python3 --version

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