code: def consine_similarity(self, v1, v2):
      return matutils.cossim(
          matutils.any2sparse(v1), matutils.any2sparse(v2)
      )
  
imports: from numpy import array
  from gensim import matutils
label_desc: Use image node_id 9 for calling the WordRelatedness obj's underlying member method code with example usage: obj.consine_similarity(v1, v2) and returns: matutils