One of CTF tasks/ Python3 script

image.png

data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAC8AAAABCAIAAADB42C9AAAAVElEQVR42jWMOwqAMBAF5yjpbMQrWNnaWwoKpknAD+LtXQYCWwzDvAVmqHBDgksOOGCFEzboNa8mggJd67Mwyovbx1UyLvYx3JvMmuSqelN7+8HwA2+IEHzgr4OjAAAAAElFTkSuQmCC

task.py

from PIL import Image


def main():
    image = Image.open("image.png")
    pixel = image.load()

    width, height = image.size
    arr = []
    for i in range(width):
        arr.append("".join(str(pixel[i, 0][2])).strip(" "))
    flag = "".join([chr(int(item)) for item in arr])
    print flag


if __name__ == "__main__":
    main()