class_docstr: :class:`.History` class that keeps a list of all strings in memory.
class_docstr_tok: [":","class",":","`",".History","`","class","that","keeps","a","list","of","all","strings","in","memory","."]
code: def __init__(self):
      self.strings = []
  
imports: from __future__ import unicode_literals
  from abc import ABCMeta, abstractmethod
  from six import with_metaclass
  import datetime
  import os
label_desc: Use image node_id 1 to create a new InMemoryHistory object from inherited base classes: History with example: obj = InMemoryHistory()