Refine this code so that the code is not duplicated but still performs the same task

def copy_image_to_blank_canvas(): # source image image1 = Image" open(". png") image2 Image.open(.png") image3 Image.open(".png") # destination image canvas = Image. new("RGB", (2000,800), "white") target-x = 0 for source_x in range(image1.width): target-y = 0 for source y in range (imagel.height) # get pixels # put pixels onto target from the source color-image1.getpixel( (source-x, canvas. putpixel( (target-x, target-y source_y)) target-y), color) += 1 target_x e 1 target y for source_y in range(image2. height): for source_x in range(image2.width): color = image2.getpixel( (source_x, source-y)) # get pixels from the source canvas. putpixel( (target-x, target-y), color) # put pixels onto target target-y += 1 target-x 1 += for source- in range (inage3.width): target y for source y in range(image3.height)