code: def letter_to_symbol(word):
      return "".join(
          [choice(HOMOGLPYH_MAP.get(c.lower(), [c])) for c in word]
      )
  
file_path: artificial-adversary/Adversary/attacks.py
imports: from random import choice, randint, sample, randrange
  from string import punctuation
  from Adversary.constants import *
label_desc: Use image node_id 5 for calling a global function with example usage: letter_to_symbol(word) and returns: str