code: def get(self, key, default=None):
      items = self.getall(key)
      return items[0] if items else default
  
imports: from __future__ import unicode_literals
  import re
  from six.moves import range
  from .regex_parser import Any, Sequence, Regex, Variable, Repeat, Lookahead
  from .regex_parser import parse_regex, tokenize_regex
label_desc: Use image node_id 3 for calling the Variables obj's underlying member method code with example usage: obj.get(key, default) and returns: unknown