code: def housenumber(self):
      if self.address:
          match = re.search("^\d+", self.address, re.UNICODE)
          if match:
              return match.group(0)
  
imports: from __future__ import absolute_import
  import re
  import logging
  from geocoder.base import OneResult, MultipleResultsQuery
label_desc: Use image node_id 5 for calling the USCensusResult obj's underlying member method code with example usage: obj.housenumber() and returns: match