class_docstr: a simple unbounded cache backed by a dictionary
class_docstr_tok: ["a","simple","unbounded","cache","backed","by","a","dictionary"]
code: def put(self, key, val):
      self._data[key] = val
  
imports: from abc import abstractmethod
  from abc import ABCMeta
  import threading
  import time
  import uuid
  import inspect
label_desc: Use image node_id 5 for calling the UnboundedCache obj's underlying member method code with example usage: obj.put(key, val) without return types