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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 setTransform(self, T):
 """ Transform actor position and orientation wrt to its polygonal mesh, which remains unmodified. """

        if isinstance(T, vtk.vtkMatrix4x4):
            self.SetUserMatrix(T)
        else:
            try:
                self.SetUserTransform(T)
            except TypeError:
                colors.printc('~time Error in setTransform(): consider transformPolydata() instead.', c=1)
        return self