old_contents: from test_support import verify
  
  import _symtable
  
  symbols, scopes = _symtable.symtable("def f(x): return x", "?", "exec")
  
  verify(symbols.has_key(0))
  verify(scopes.has_key(0))
  
new_contents: from test_support import verify
  
  import _symtable
  
  symbols = _symtable.symtable("def f(x): return x", "?", "exec")
  
  verify(symbols[0].name == "global")
  verify(len([ste for ste in symbols.values() if ste.name == "f"]) == 1)
  
  
subject: update to use new symtable interface