Ubuntu 14.04 and 16.04
If you are using Ubuntu 14.04 or 16.04, you can use Felix Krull's deadsnakes PPA at https://launchpad.net/~deadsnakes/+archive/ubuntu/ppa:
sudo add-apt-repository ppa:deadsnakes/ppa
sudo apt-get update
sudo apt-get install python3.6
Alternatively, you can use J Fernyhough's PPA at https://launchpad.net/~jonathonf/+archive/ubuntu/python-3.6:
sudo add-apt-repository ppa:jonathonf/python-3.6
sudo apt-get update
sudo apt-get install python3.6
Ubuntu 16.10 and 17.04
If you are using Ubuntu 16.10 or 17.04, then Python 3.6 is in the universe repository, so you can just run:
sudo apt-get update
sudo apt-get install python3.6
After installation for Ubuntu 14.04, 16.04, 16.10 and 17.04
To invoke the Python 3.6 interpreter, run python3.6
.
Ubuntu 17.10
Ubuntu 17.10 already comes with Python 3.6 as default. Just run python3
to invoke it.