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Truthy / falsy
Values that act as True / False in `if` statements. Empty containers, `0`, `None`, `""` are falsy; everything else is truthy.
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Open lesson lesson-21 →Related — Syntax
f-stringAn f-prefixed string literal that lets you inline expressions: `f"x={x}"`. Intro…Walrus operator`:=` assigns inside an expression. Useful when you'd otherwise compute the same …Type hintsAnnotations that describe expected types: `def f(x: int) -> str:`. Not enforced …SlicingSubstring/sublist via `s[start:stop:step]`. Negative indices count from the end.Match statementStructural pattern matching (PEP 634, Python 3.10+). `match val: case Point(x, y…