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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 paint_pattern(self):
 """ Paints all the cubes. """

        x = 0
        while x < self.width:
            y = 0
            while y < self.height:
                self.paint_cube(x, y)
                y += self.cube_size
            x += self.cube_size