code: def cell_arrays(self):
          
          cdata = self.GetCellData()
          narr = cdata.GetNumberOfArrays()
  
          # Update data if necessary
          if hasattr(self, '_cell_arrays'):
              keys = list(self._cell_arrays.keys())
              if narr == len(keys):
                  if keys:
                      if self._cell_arrays[keys[0]].size == self.n_cells:
                          return self._cell_arrays
                  else:
                      return self._cell_arrays
  
          # dictionary with callbacks
          self._cell_arrays = CellScalarsDict(self)
  
          for i in range(narr):
              name = cdata.GetArrayName(i)
              self._cell_arrays[name] = self._cell_scalar(name)
  
          self._cell_arrays.enable_callback()
          return self._cell_arrays
docs: Returns the all cell arrays