class_docstr: :class:`.History` class that stores all strings in a file.
class_docstr_tok: [":","class",":","`",".History","`","class","that","stores","all","strings","in","a","file","."]
code: def __iter__(self):
      return iter(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 5 for calling the FileHistory obj's underlying member method code with example usage: obj.__iter__() and returns: iter