class_docstr: Subelement of the page class; contains a list with the subelement par
class_docstr_tok: ["Subelement","of","the","page","class",";","contains","a","list","with","the","subelement","par"]
code: def __str__(self):
      return "Block:[BlockType={}, rect={}]".format(
          self.blockType, self.rect
      )
  
label_desc: Use image node_id 2 for calling the Block obj's underlying member method code with example usage: obj.__str__() and returns: str