# Recipe 33: Turn Barbara into a redhead

def turnRed():
  brown = makeColor(57,16,8)
  file = r"F:\comp2720\pics\barbara.jpg"
  picture=makePicture(file)
  for px in getPixels(picture):
    color = getColor(px)
    if distance(color, brown) < 50.0:
      redness = getRed(px)*1.5
      setRed(px, redness)
  show(picture)
  return(picture)