code: def test_standalone_understores_at_begin_end(self):
      self.assertMarkdownRenders("_ bar _", "<p>_ bar _</p>")
  
imports: from markdown.test_tools import TestCase
label_desc: Use image node_id 17 for calling the TestNotEmphasis obj's underlying member method code with example usage: obj.test_standalone_understores_at_begin_end() without return types