> On the software development side I learned enough COBOL to port some of our mainframe jobs to Python. I wrote packed-decimal libraries and EBCDIC encoders so

> On the software development side I learned enough COBOL to port some of our mainframe jobs to Python. I wrote packed-decimal libraries and EBCDIC encoders so we could use Python going forward to process batch jobs. A big deal in the payments industry. Great read, but as someone else who has worked on mainframes and in Python I found this especially impressive.