day-6.2.py

iinput = ["turn off 660,55 through 986,197","turn off 341,304 through 638,850","turn off 199,133 through 461,193","toggle 322,558 through 977,958","toggle 537,781 through 687,941","turn on 226,196 through 599,390","turn on 240,129 through 703,297","turn on 317,329 through 451,798","turn on 957,736 through 977,890","turn on 263,530 through 559,664","turn on 158,270 through 243,802","toggle 223,39 through 454,511","toggle 544,218 through 979,872","turn on 313,306 through 363,621","toggle 173,401 through 496,407","toggle 333,60 through 748,159","turn off 87,577 through 484,608","turn on 809,648 through 826,999","toggle 352,432 through 628,550","turn off 197,408 through 579,569","turn off 1,629 through 802,633","turn off 61,44 through 567,111","toggle 880,25 through 903,973","turn on 347,123 through 864,746","toggle 728,877 through 996,975","turn on 121,895 through 349,906","turn on 888,547 through 931,628","toggle 398,782 through 834,882","turn on 966,850 through 989,953","turn off 891,543 through 914,991","toggle 908,77 through 916,117","turn on 576,900 through 943,934","turn off 580,170 through 963,206","turn on 184,638 through 192,944","toggle 940,147 through 978,730","turn off 854,56 through 965,591","toggle 717,172 through 947,995","toggle 426,987 through 705,998","turn on 987,157 through 992,278","toggle 995,774 through 997,784","turn off 796,96 through 845,182","turn off 451,87 through 711,655","turn off 380,93 through 968,676","turn on 263,468 through 343,534","turn on 917,936 through 928,959","toggle 478,7 through 573,148","turn off 428,339 through 603,624","turn off 400,880 through 914,953","toggle 679,428 through 752,779","turn off 697,981 through 709,986","toggle 482,566 through 505,725","turn off 956,368 through 993,516","toggle 735,823 through 783,883","turn off 48,487 through 892,496","turn off 116,680 through 564,819","turn on 633,865 through 729,930","turn off 314,618 through 571,922","toggle 138,166 through 936,266","turn on 444,732 through 664,960","turn off 109,337 through 972,497","turn off 51,432 through 77,996","turn off 259,297 through 366,744","toggle 801,130 through 917,544","toggle 767,982 through 847,996","turn on 216,507 through 863,885","turn off 61,441 through 465,731","turn on 849,970 through 944,987","toggle 845,76 through 852,951","toggle 732,615 through 851,936","toggle 251,128 through 454,778","turn on 324,429 through 352,539","toggle 52,450 through 932,863","turn off 449,379 through 789,490","turn on 317,319 through 936,449","toggle 887,670 through 957,838","toggle 671,613 through 856,664","turn off 186,648 through 985,991","turn off 471,689 through 731,717","toggle 91,331 through 750,758","toggle 201,73 through 956,524","toggle 82,614 through 520,686","toggle 84,287 through 467,734","turn off 132,367 through 208,838","toggle 558,684 through 663,920","turn on 237,952 through 265,997","turn on 694,713 through 714,754","turn on 632,523 through 862,827","turn on 918,780 through 948,916","turn on 349,586 through 663,976","toggle 231,29 through 257,589","toggle 886,428 through 902,993","turn on 106,353 through 236,374","turn on 734,577 through 759,684","turn off 347,843 through 696,912","turn on 286,699 through 964,883","turn on 605,875 through 960,987","turn off 328,286 through 869,461","turn off 472,569 through 980,848","toggle 673,573 through 702,884","turn off 398,284 through 738,332","turn on 158,50 through 284,411","turn off 390,284 through 585,663","turn on 156,579 through 646,581","turn on 875,493 through 989,980","toggle 486,391 through 924,539","turn on 236,722 through 272,964","toggle 228,282 through 470,581","toggle 584,389 through 750,761","turn off 899,516 through 900,925","turn on 105,229 through 822,846","turn off 253,77 through 371,877","turn on 826,987 through 906,992","turn off 13,152 through 615,931","turn on 835,320 through 942,399","turn on 463,504 through 536,720","toggle 746,942 through 786,998","turn off 867,333 through 965,403","turn on 591,477 through 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86,492 through 582,712","turn on 676,676 through 709,703","turn off 105,710 through 374,817","toggle 328,748 through 845,757","toggle 335,79 through 394,326","toggle 193,157 through 633,885","turn on 227,48 through 769,743","toggle 148,333 through 614,568","toggle 22,30 through 436,263","toggle 547,447 through 688,969","toggle 576,621 through 987,740","turn on 711,334 through 799,515","turn on 541,448 through 654,951","toggle 792,199 through 798,990","turn on 89,956 through 609,960","toggle 724,433 through 929,630","toggle 144,895 through 201,916","toggle 226,730 through 632,871","turn off 760,819 through 828,974","toggle 887,180 through 940,310","toggle 222,327 through 805,590","turn off 630,824 through 885,963","turn on 940,740 through 954,946","turn on 193,373 through 779,515","toggle 304,955 through 469,975","turn off 405,480 through 546,960","turn on 662,123 through 690,669","turn off 615,238 through 750,714","turn on 423,220 through 930,353","turn on 329,769 through 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through 458,648","turn on 715,871 through 722,890","toggle 424,675 through 740,862","toggle 580,592 through 671,900","toggle 296,687 through 906,775"]

grid = [[0 for x in range(1000)] for y in range(1000)]

def countBrightness(grid):
    total = 0
    for x in range(len(grid)):
        total += sum(grid[x])
    return total

for inp in iinput:
    arr = inp.replace("turn ","turn-").split(" ")
    x,y = arr[1].split(",")
    start = {"x":int(x),"y":int(y)}
    x,y = arr[3].split(",")
    end = {"x":int(x),"y":int(y)}

    for x in range(start["x"], end["x"] + 1):
        for y in range(start["y"], end["y"] + 1):
            if arr[0] == "turn-on":
                grid[x][y] += 1
            elif arr[0] == "turn-off":
                grid[x][y] -= 1 if grid[x][y] > 0 else 0
            elif arr[0] == "toggle":
                grid[x][y] += 2

print(countBrightness(grid))