When we hear the word Mainframe, the first technologies that usually come to mind are COBOL, JCL, DB2, VSAM, and CICS.

But did you know that Python can also run on IBM Mainframe systems running z/OS?

Yes! Python is supported on IBM z/OS, and developers can use it for scripting, automation, data processing, and integration with other systems.

In this article, we will understand:

What Python on z/OS means
Where we can write Python programs on Mainframe
How to execute Python interactively
How to execute Python using JCL
A practical example of running a Python program as a batch job
Some important things to remember

Let’s get started!