class_docstr: Represents a single stack node.
class_docstr_tok: ["Represents","a","single","stack","node","."]
code: def __init__(self, value):
      self.value = value
      self.next = None
  
imports: from abc import ABCMeta, abstractmethod
label_desc: Use image node_id 1 to create a new StackNode object  with example: obj = StackNode(value)