code: def textify(inp):
      if not inp:
          return None
      elif inp is True:
          return T(TRUE_TEXT)
      elif isinstance(inp, list):
          return [T.textify(x) for x in inp]
      elif isinstance(inp, T):
          return inp
  
      return T(inp)
  
imports: import abc
  import argparse
  import contextlib
  import difflib
  import enum
  import glob
  import itertools
  import json
  import nbformat
  import os.path
  import re
  import subprocess
  import sys
  import textwrap
label_desc: Use image node_id 2 for calling the T obj's underlying member method code with example usage: obj.textify(inp) and returns: T, None, T, unknown, inp