#data-structures

• 5 Sept 2023 · Study

  Python · Sets

  Sets for uniqueness and fast membership tests, plus union, intersection and difference.

• 1 Sept 2023 · Study

  Python · Dictionaries

  Dictionaries for key-value lookups: get() with defaults, iterating items(), insertion order, and counting with Counter.

• 29 Aug 2023 · Study

  Python · Tuples and unpacking

  Tuples as fixed records, the one-element tuple comma, unpacking with *rest, and swapping without a temp variable.

• 24 Aug 2023 · Study

  Python · Lists

  Lists as mutable sequences: append vs extend, slicing, sorting in place vs sorted(), and the aliasing trap.