树莓派多版本python设置默认python3
sudo apt-get install python3
然后把python的链接删掉
sudo rm /usr/bin/python
新建一个链接
sudo ln -s /usr/bin/python3.4 /usr/bin/python
查看一下版本
python3
显示为:
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Python 3.5.2 (default, Nov 17 2016, 17:05:23)
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[GCC 5.4.0 20160609] on linux
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Type "help", "copyright", "credits" or "license" for more information.