TIL (Today I Learned)

The TIL series of articles contains very short articles documenting something I learned “today”.

Today I learned that cyclic quadrilaterals have supplementary opposite angles.

Today I learned how to inspect a lazy import object in Python 3.15.

Today I learned how to install jupyter properly while using uv to manage tools.

Today I learned how to do multiline input in the REPL using an uncommon combination of arguments for the built-in open.