code: def _get_adjacent(self, s):
      s_lower = s.lower()
      if s_lower in self._keyboard_adjacency:
          adjacent_keys = self._keyboard_adjacency.get(s_lower, [])
          if s.isupper():
              return [key.upper() for key in adjacent_keys]
          else:
              return adjacent_keys
      else:
          return []
  
file_path: TextAttack/textattack/transformations/word_swaps/word_swap_qwerty.py
imports: import random
  from .word_swap import WordSwap
label_desc: Use image node_id 2 for calling the WordSwapQWERTY obj's underlying member method code with example usage: obj._get_adjacent(s) and returns: list, unknown, adjacent_keys