Fedora Magazine - https://fedoramagazine.org/python-3-7-now-available-in-fedora/
On February 28th 2018, the second beta of Python 3.7 was released. This new version contains lots of fixes and, notably, several new features available for everyone to test. The pre-release of Python 3.7 is available not only in Fedora Rawhide but also all other Fedora versions. Read more about it below.
Installation and basics
It’s easy to install Python 3.7 on supported Fedora. Run this command:
sudo dnf install python37