class_docstr: Basic output post-processing and comparison
class_docstr_tok: ["Basic","output","post-processing","and","comparison"]
code: def __str__(self):
      return self.string
  
imports: import pytest
  import textwrap
  import difflib
  import re
  import sys
  import contextlib
  import platform
  import gc
label_desc: Use image node_id 2 for calling the Output obj's underlying member method code with example usage: obj.__str__() and returns: self