大部分linux发行版默认的python版本为2.7,然而在使用时经常会遇到提示“DEPRECATION: Python 2.7 will reach the end of its life on January 1st, 2020. Please upgrade your Python as Python 2.7 won’t be maintained after that date. A future version of pip will drop support for Python 2.7. ”，而且python3的部分语法与python2不兼容，因此将python默认版本切换到python3.6是非常有必要的。
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https://blog.univerone.com/post/19-python-change-default/
大部分linux发行版默认的python版本为2.7,然而在使用时经常会遇到提示“DEPRECATION: Python 2.7 will reach the end of its life on January 1st, 2020. Please upgrade your Python as Python 2.7 won’t be maintained after that date. A future version of pip will drop support for Python 2.7. ”，而且python3的部分语法与python2不兼容，因此将python默认版本切换到python3.6是非常有必要的。 |univerone's Personal blog about everything