Simplify dict iterations from Python 2 to 3 migration#2331

Avasam merged 8 commits intomhammond:mainmhammond/pywin32:mainfrom

Avasam:simplify-dict-iterations-from-Python-2-to-3-migrationAvasam/pywin32:simplify-dict-iterations-from-Python-2-to-3-migrationCopy head branch name to clipboard