Created
September 16, 2014 19:39
-
-
Save firstspring1845/d96781648898a57cd9f6 to your computer and use it in GitHub Desktop.
ア
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| import random | |
| f = open('a.bmp','rb').read() | |
| f = list(f) | |
| for i in range(0x36, len(f)): | |
| if random.random() < 0.5: | |
| f[i] = 255 | |
| else: | |
| f[i] = 192 | |
| open('b.bmp','wb').write(bytes(f)) |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment