elevation_map without running out of supplies. Precondition: elevation_map is a valid elevation map. start and dest are valid cells in elevation_map. dest is North-West of start. supplies >= 0 > >> map = [[1, 6, 5, 6], [2, 5, 6, 8], [7, 2, 8, 1 ], [4, 4, 7, 3]] > > > can_hike_to(map, [3, 3], [2, 2], 10) True > >> can_hike_to(map, [3, 3], [2, 27, 8) False > > > can_hike_to(map, [3, 3], [3, 0], 7) > > > can_hike_to(map, [3, 3], [3, 0], 6) False > >> can_hike_to(map, [3, 3], [0, 0], 18) > >> can_hike_tocmap, [3, 3], [0, 0], 17) False True True