docstr: Given a word, try altering the value if the word is a number return
  in digits if word is given in digit, return in alphabetical form if
  word is given in alphabetical form.
code: def _get_new_number(self, word):
      """Given a word, try altering the value if the word is a number return
      in digits if word is given in digit, return in alphabetical form if
      word is given in alphabetical form."""
  
      if word.isdigit():
          num = float(word)
          return self._alter_number(num)
      else:
          try:
              num = w2n.word_to_num(word)
              num_list = self._alter_number(num)
              return [num2words(n) for n in num_list]
          except (ValueError, IndexError):
              return []
  
file_path: TextAttack/textattack/transformations/word_swaps/word_swap_change_number.py
imports: import more_itertools
  from num2words import num2words
  import numpy
  from word2number import w2n
  from .word_swap import WordSwap
label_desc: Use image node_id 3 for calling the WordSwapChangeNumber obj's underlying member method code with example usage: obj._get_new_number(word) and returns: self, unknown, list