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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def paste(self, other):
 """Return a new Image with the given image pasted on top. This image will show through transparent areas of the given image. """

        r, g, b, alpha = other.pil_image.split()
        pil_image = self.pil_image.copy()
        pil_image.paste(other.pil_image, mask=alpha)
        return kurt.Image(pil_image)