Write a method grayscale that converts a color image into a blackand-white image. This is done by

Question:

Write a method grayscale that converts a color image into a blackand-white image. This is done by averaging the red, green, and blue components of each pixel. For example, if a pixel has RGB values of (red = 100, green = 30blue = 80), the average of the three components is (100 + 30 + 80) /3 = 70, so that pixel becomes (red = 70, green = 70, blue = 70).

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