code: def h(x):
      def g(x):
          return x
  
      return g(x) - x
  
imports: from dill.source import getsource, getname, _wrap, likely_import
  from dill.source import getimportable
  from dill._dill import IS_PYPY
  import sys
label_desc: Use image node_id 2 for calling a global function with example usage: h(x) and returns: unknown, x