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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_clear_color(self, color='black', alpha=None):
 """Set the screen clear color This is a wrapper for gl.glClearColor. Parameters color : str | tuple | instance of Color Color to use. See vispy.color.Color for options. alpha : float | None Alpha to use. """

        self.glir.command('FUNC', 'glClearColor', *Color(color, alpha).rgba)