* * fixed __getitem__() function
* add test
* * updated doctests
* updated __setitem__() func
* fixup! Format Python code with psf/black push
Co-authored-by: github-actions <${GITHUB_ACTOR}@users.noreply.github.com>
* * fixed __getitem__() function
* add test
* * updated doctests
* updated __setitem__() func
* fixup! Format Python code with psf/black push
Co-authored-by: github-actions <${GITHUB_ACTOR}@users.noreply.github.com>