HackerRank in Python 3 Submissions Medium difficulty the-grid-search: The Grid Search bigger-is-greater: Bigger is Greater climbing-the-leaderboard: Climbing the Leaderboard magic-square-forming: Forming a Magic Square Hard difficulty matrix-rotation-algo: Matrix Layer Rotation Advanced difficulty quadrant-queries-v1, v2: Quadrant Queries Expert difficulty morgan-and-a-string: Morgan and a String