code: def current_time(lst):
      return timestampNow()
  
imports: from fontTools.misc.timeTools import timestampNow
  from fontTools.ttLib.tables.DefaultTable import DefaultTable
  from functools import reduce
  import operator
  import logging
label_desc: Use image node_id 4 for calling a global function with example usage: current_time(lst) and returns: timestampNow