β All terms Β· Syntax
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 βRelated β Syntax
f-stringAn f-prefixed string literal that lets you inline expressions: `f"x={x}"`. Introβ¦Walrus operator`:=` assigns inside an expression. Useful when you'd otherwise compute the same β¦Type hintsAnnotations that describe expected types: `def f(x: int) -> str:`. Not enforced β¦SlicingSubstring/sublist via `s[start:stop:step]`. Negative indices count from the end.