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TIL (Today I Learned)

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

Today I learned about the symmetry in indexing from the beginning and end of a list with the bitwise invert operator.

Today I learned how to write the Quicksort algorithm in a weird functional style.

Today I learned about the DARPA network challenge and the power of referral systems.

Today I learned you can use pathlib to read the contents of a file.

Today I learned how the rich comparison protocol and, in particular, how eq works behind the scenes.