Phone Screen on an Out-of-Order Loan Ledger

This was the phone screen. It was an OOP coding problem about a bank ledger. I had seen someone mention it on the forum but with no specifics, and if you haven't prepared in advance, time gets a bit tight. The first part is designing a simple dataclass and 2 basic functions, which are just simple addition and subtraction. The second part is the real focus. You design 2 functions that handle the 2…

Shared by a candidate · reported Sep 2026. Interview formats change; use it as a guide, not a script.