* Improved Graph Implementations
Provides new implementation for graph_list.py and graph_matrix.py along with pytest suites for each. Fixes#8709
* Graph implementation style fixes, corrections, and refactored tests
* Helpful docs about graph implementation
* Refactored code to separate files and applied enumerate()
* Renamed files and refactored code to fail fast
* Error handling style fix
* Fixed f-string code quality issue
* Last f-string fix
* Added return types to test functions and more style fixes
* Added more function return types
* Added more function return types pt2
* Fixed error messages
* test/graphs/kruskal: adding a test case to verify the correctness of the algorithm
Fixes#2128
* grahps/kruskal: running psf/black
* graphs/kruskal: read edges in a friendlier fashion
Co-authored-by: Christian Clauss <cclauss@me.com>
* Update minimum_spanning_tree_kruskal.py
* fixup! Format Python code with psf/black push
* Update test_min_spanning_tree_kruskal.py
* updating DIRECTORY.md
Co-authored-by: Christian Clauss <cclauss@me.com>
Co-authored-by: John Law <johnlaw.po@gmail.com>
Co-authored-by: github-actions <${GITHUB_ACTOR}@users.noreply.github.com>
