#-*- coding:utf-8 -*-

 #代码版本均为python 3.5.1

 #Level 7

 from PIL import Image

 x_begin, x_end = 0, 609

 y_begin, y_end = 43, 53

 image = Image.open("oxygen.png")

 data = [chr(image.getpixel((i, 43))[0]) for i in range(0, 609, 7)]

 #im.getpixel((x, y))    得到某个像素点的颜色，一般返回(r, g, b)

 print ("".join(data))

 msg = [105, 110, 116, 101, 103, 114, 105, 116, 121]

 print (''.join([chr(i) for i in msg]))

 http://www.pythonchallenge.com/pc/def/integrity.html