* Euler problem 551 sol 1: Reduce McCabe code complexity
As discussed in #2128
* fixup! Format Python code with psf/black push
Co-authored-by: github-actions <${GITHUB_ACTOR}@users.noreply.github.com>
* Added maximum non-adjacent sum
* Bugfix: flake8 test
* Implemented changes (broke tuple unpacking into 2 lines due to flake8 tests)
* Implemented changes v2.0
* Update max_non_adjacent_sum.py
Co-authored-by: Christian Clauss <cclauss@me.com>