class_docstr: Basic storage unit of LDA documents, contains word id
  and corresponding topic.
class_docstr_tok: ["Basic","storage","unit","of","LDA","documents",",","contains","word","id","and","corresponding","topic","."]
code: def __init__(self, topic, id):
      self.topic = topic
      self.id = id
  
imports: import numpy
label_desc: Use image node_id 1 to create a new Token object from inherited base classes: object with example: obj = Token(topic, id)