Python remains a popular programming language, ranking high on GitHub activity charts (2nd place, for the first quarter of 2018) and some even calling it the fastest-growing major programming language.
There are several ways to get started with Python development on Oracle Linux from using system Python included in the OS to installing recent Python versions from EPEL (Extra Packages for Enterprise Linux).
This page for Python Developers on Oracle Linux yum server describes the various options with detailed instructions. For example, there are instructions on how to install Python 3.6 from EPEL and enable it in a virtual environment as well as steps to install cx_Oracle, the database connector for Python.
Enjoy!