gh-135312: Use positional-only arguments in dunder methods and abstract methods in `collections.abc`.#136324

randolf-scholz wants to merge 2 commits intopython:mainpython/cpython:mainfrom

randolf-scholz:collections_abc_positional_only_abstractmethodsrandolf-scholz/cpython:collections_abc_positional_only_abstractmethodsCopy head branch name to clipboard