code: def treebank_to_langid(treebank):
      """Convert treebank name to langid"""
      short_name = treebank_to_short_name(treebank)
      return short_name.split("_")[0]
  
imports: import re
label_desc: Use image node_id 6 for calling a global function with example usage: treebank_to_langid(treebank) and returns: short_name