chr-arithmetic-maps-1-to-a

Status: IN

`chr(ord("a") + num - 1)` maps integer 1 to `'a'` and integer 26 to `'z'` — the standard idiom for 1-based alphabet mapping in this repo.

Source: entries/2026/06/06/decrypt-string-from-alphabet-to-integer-mapping-solution.md

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