how to draw parametric surfaces with equations?

Ok it drew a shape but for the shape i want i need before the definition of x,y,z I need to add a comand like meshgrid.

Output mensage:
Traceback (most recent call last):
  File "<string>", line 20, in <module>
  File "<string>", line 43, in RequestData
  File "C:\Program Files\ParaView 5.9.1-Windows-Python3.8-msvc2017-64bit\bin\Lib\site-packages\vtkmodules\numpy_interface\algorithms.py", line 861, in make_vector
    return algs.make_vector(arrayx, arrayy, arrayz)
  File "C:\Program Files\ParaView 5.9.1-Windows-Python3.8-msvc2017-64bit\bin\Lib\site-packages\vtkmodules\numpy_interface\internal_algorithms.py", line 559, in make_vector
    raise ValueError("Can only merge 1D arrays")
ValueError: Can only merge 1D arrays