archermind@archermind:~$ sudo update-alternatives --config python
[sudo] password for archermind:
There are 2 choices for the alternative python (providing /usr/bin/python).
Selection Path Priority Status
------------------------------------------------------------
0 /usr/bin/python3.5 2 auto mode
1 /usr/bin/python2.7 1 manual mode
* 2 /usr/bin/python3.5 2 manual mode
Press to keep the current choice[*], or type selection number: 1
update-alternatives: using /usr/bin/python2.7 to provide /usr/bin/python (python) in manual mode