<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def write(self, filename="mesh.vtk", binary=True):
 """ Write actor's polydata in its current transformation to file. """

        import vtkplotter.vtkio as vtkio

        return vtkio.write(self, filename, binary)