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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 plotPixel(self, x, y, color="black"):
 """ Doesn't use coordinant system. """

        p = Point(x, y)
        p.fill(color)
        p.draw(self)
        p.t = lambda v: v
        p.tx = lambda v: v
        p.ty = lambda v: v