gh-143811: Add helpful default error messages to `AttributeError` and `NameError`#143813

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johnslavik wants to merge 3 commits intopython:mainfrom

johnslavik:add-default-messages-attributeerror-nameerror

Commits on Jan 13, 2026

Commits on Jan 14, 2026

Change default message for `NameError` to "name '...' is not defined"

johnslavik
and
a12k
committed