code: def score(self):
      return sum(m.score() for m in self._submatchers) * self._boost
  
imports: from __future__ import division
  from array import array
  from whoosh.compat import xrange
  from whoosh.matching import mcore
label_desc: Use image node_id 6 for calling the CombinationMatcher obj's underlying member method code with example usage: obj.score() and returns: unknown