ubuntu下卸载python2和升级python3.5

ubuntu下卸载 python2 只需要一条语句就可以实现:

sudo apt-get remove python

ubuntu下安装python3:
sudo apt-get install python3

但这样只安装了python3.4,要想使用python3.5,则必须升级python3.4:

1
2
3
sudo add-apt-repository ppa:fkrull/deadsnakes
sudo apt-get update
sudo apt-get install python3.5

启动时

输入python时启动的是python2.7

输入python3时启动的是python3.4

输入python3.5时启动的才是python3.5

如果觉得对您有帮助,就扫我交个朋友吧!