def tint_green_hexmap_borders(hexmap):
    columns = len(hexmap.cells)
    rows = len(hexmap.cells[0])
    ## leftmost and rightmost colums
    for col in [0, columns-1]:
        for j in range(rows):
            hexmap.set_cell_color(col, j, (0, 255, 0))
    ## upper and lower cells
    for col in range(columns):
        for k in [0, rows-1]:
            hexmap.set_cell_color(col, k, (0, 255, 0))
dataset/ETHPy150Open los-cocos/cocos/test/test_tmx_hexmap.py/tint_green_hexmap_borders/original