code: def gold_longest():
      """Returns the length of the longest gold standard sequence."""
      return max([len(x[0].split(",")) for x in _GOLD])
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
label_desc: Use image node_id 1 for calling a global function with example usage: gold_longest() and returns: max