code: def test_printing_builtin(self):
      bt = self.get_stack_trace(
          script=SAMPLE_SCRIPT,
          cmds_after_breakpoint=["py-up", "py-print len"],
      )
      self.assertMultilineMatches(
          bt,
          r".*\nbuiltin 'len' = <built-in method len of module object at remote 0x-?[0-9a-f]+>\n.*",
      )
  
imports: import re
  import unittest
  from test.support import python_is_optimized
  from .util import run_gdb, setup_module, DebuggerTests, SAMPLE_SCRIPT
label_desc: Use image node_id 4 for calling the PyPrintTests obj's underlying member method code with example usage: obj.test_printing_builtin() without return types