[3.8] bpo-16781: In 'exec' doc, add 'nonlocal' to 'yield' and 'return' (GH-2446)#24471

miss-islington merged 1 commit intopython:3.8python/cpython:3.8from

miss-islington:backport-0ec57e2-3.8miss-islington/cpython:backport-0ec57e2-3.8Copy head branch name to clipboard