What does the following function do? By reading the program without running it, do you think that the result of test9 will be lighter or darker than the result of test7?

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def test9 (picture): for p in getPixels(picture): getRed (p) * 2 getGreen (p) getBlue (p) * 2 makeColor(red, green, blue) red green 2 blue color setColor(p,color)