How to change the default Python2 to Python3 on Linux All In One

Raspberry Pi

在 Linux 中如何把默认的 Python2 更改为 Python3

solutions

1. .bashrc / .zshrc alias

$ sudo vim .bashrc

$ cat .bashrc
$ cat .bashrc | grep py
# .bashrc 配置一个 alias ✅
# Python3 => py3 

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From： https://www.cnblogs.com/xgqfrms/p/17430775.html