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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 skew(self, x=0, y=0):
 """Skew the element by x and y degrees Convenience function which calls skew_x and skew_y Parameters x,y : float, float skew angle in degrees (default 0) If an x/y angle is given as zero degrees, that transformation is omitted. """

        if x is not 0:
            self.skew_x(x)
        if y is not 0:
            self.skew_y(y)

        return self