sudo add-apt-repository ppa:jonathonf/python-3.6
出现报错:
Cannot add PPA: 'ppa:~jonathonf/ubuntu/python-3.6'.
The user named '~jonathonf' has no PPA named 'ubuntu/python-3.6'
Please choose from the following available PPAs: ...
解决方法
将命令改为:
sudo add-apt-repository ppa:deadsnakes/ppa