Upgrading Python


My current workspace has python2.7 & python3.4. I want to use a function that was added to the standard library in python3.6.

Either way, I want to upgrade the current version. I’ve tried all the obvious solutions, and all the top solutions gleaned from a basic Google search query, but they all seem to either introduce new problems, or just fail altogether.

Is there a Cloud9 approved solution to this problem?