* 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>
