code: def convert_to_integer_list(value):
      
      if isinstance(value, list) or value is None:
          return value
      else:
          s = re.findall('(10|11|QA|[0-9])', value)
          for k, v in enumerate(s):
              try:
                  s[k] = int(v)
              except ValueError:
                  pass
          return s
docs: Converts a comma separate string to a list
  
      :param value:
          the format must be 003,003,004,004 (commas with no space)
      :type value:
          String
  
      :returns:
          List
  
      :example:
          >>> convert_to_integer_list('003,003,004,004')
          ['003', '003', '004', '004']