class_docstr: Grid of data.
class_docstr_tok: ["Grid","of","data","."]
code: def shape(self):
      return self.ny, self.nx
  
imports: import numpy
  import matplotlib
  from matplotlib import _api, cm, patches
  import matplotlib.colors
  import matplotlib.collections
  import matplotlib.lines
label_desc: Use image node_id 2 for calling the Grid obj's underlying member method code with example usage: obj.shape() and returns: self,  self