[MEDIUM] #1878 - Get Biggest Three Rhombus Sums in a Grid

[hackdartstorm]

Program 1878: Get Biggest Three Rhombus Sums

Difficulty: Medium
Category: Array

Task: Find three largest rhombus sums

Input: grid
Expected Output: Three largest sums

Submit: exercises/1000_programs/medium/1878_rhombus_sums.py