title: Python : Making a negative image of a RGB picture
body: <p>I've been fiddling around with Python for hours now, trying to figure out how to turn my colored image into a color negative and I just can't seem to be able to figure it out..</p>
  <p>I've imported PIL and Image from PIL andI know that I need to do something similar to (255.0 - red, 255.0 - green, 255.0 - blue) in order to negate the image, but I just can't seem to be able to figure out how to incorporate that into my 'for' loop.</p>
  <p>I'm really not that good at python at all, and any help would really be appreciated =/</p>
  <p>thankyou in advance :)</p>