Recent CodeSOD

Code Snippet Of the Day (CodeSOD) features interesting and usually incorrect code snippets taken from actual production code in a commercial and/or open source software projects.

Mar 2026

Popping Off

by in CodeSOD on

Python is (in)famous for its "batteries included" approach to a standard library, but it's not that notable that it has plenty of standard data structures, like dicts. Nor is in surprising that dicts have all sorts of useful methods, like pop, which removes a key from the dict and returns its value.

Because you're here, reading this site, you'll also be unsurprised that this doesn't stop developers from re-implementing that built-in function, badly. Karen sends us this: