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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 draw(self):

 """Draws the dragger at the current mouse location.
 
 Should be called in every frame.
 
 """

        if not self.visible:
            return

        if self.isEnabled:
        
            # Draw the dragger's current appearance to the window.
            if self.dragging:
                self.window.blit(self.surfaceDown, self.rect)
            else:  # mouse is up
                if self.mouseOver:
                    self.window.blit(self.surfaceOver, self.rect)
                else:
                    self.window.blit(self.surfaceUp, self.rect)
        else:
            self.window.blit(self.surfaceDisabled, self.rect)