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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 set_mouse_handler_for_range(self, x_min, x_max, y_min, y_max, handler=None):
 """ Set mouse handler for a region. """

        for x, y in product(range(x_min, x_max), range(y_min, y_max)):
            self.mouse_handlers[x,y] = handler