Representing Data with Images and Sound 2.10

from PIL import Image    #Import the Image module from the PIL library

image = Image.open('image.png')    #Create a path to the image file

rgb_image = image.convert('RGB')    #Convert the image to RGB

width, height = image.size     #Assign the image's width and height to variables

new_image = Image.new('RGB', (width,height))     #Create a grid for the output image
new2_image = Image.new('RGB', (width,height))
new3_image = Image.new('RGB', (width,height))
grey_image = Image.new('RGB', (width,height))
grey2_image = Image.new('RGB', (width,height))
grey3_image = Image.new('RGB', (width,height))

#Set up loops to modify each pixel within the image
for row in range(height):
    for col in range(width):
        r, g, b = rgb_image.getpixel((col, row))
         # a black white filter
        bw =round( max(r,g,b)  /255) *255
        bw2=round( ((r+g+b)/3) /255) *255
        bw3=round( min(r,g,b)  /255) *255
        gr =max(r,g,b)
        gr2=round( (r+g+b)/3)
        gr3=min(r,g,b)

        new_image.putpixel(   (col, row), (bw,bw,bw) )
        new2_image.putpixel(  (col, row), (bw2,bw2,bw2) )
        new3_image.putpixel(  (col, row), (bw3,bw3,bw3) )
        grey_image.putpixel(  (col, row), (gr,gr,gr) )
        grey2_image.putpixel( (col, row), (gr2,gr2,gr2) )
        grey3_image.putpixel( (col, row), (gr3,gr3,gr3) )


#new_image.save("black-white.png")

new_image.show()
new2_image.show()
new3_image.show()
grey_image.show()
grey2_image.show()
grey3_image.show()