docstr: Input: 'a. ffegnog b. fgegkl c.'
  Output: 
  a∯ ffegnog 
  b∯ fgegkl 
  c∯
docstr_tok: ["Input",":","'","a",".","ffegnog","b.","fgegkl","c.'","Output",":","a\u222f","ffegnog","b\u222f","fgegkl","c\u222f"]
code: def replace_alphabet_list(self, a):
      """
      Input: 'a. ffegnog b. fgegkl c.'
      Output: \ra∯ ffegnog \rb∯ fgegkl \rc∯
      """
  
      def replace_letter_period(match, val=None):
          match = match.group()
          match_wo_period = match.strip(".")
          if match_wo_period == val:
              return "\r{}∯".format(match_wo_period)
          else:
              return match
  
      txt = re.sub(
          self.ALPHABETICAL_LIST_LETTERS_AND_PERIODS_REGEX,
          partial(replace_letter_period, val=a),
          self.text,
          flags=re.IGNORECASE,
      )
      return txt
  
imports: import string
  import re
  from pysbd.utils import Rule, Text
  from functools import partial
label_desc: Use image node_id 16 for calling the ListItemReplacer obj's underlying member method code with example usage: obj.replace_alphabet_list(a) and returns: txt, str, match