class_docstr: Test ability to marshall code protos.
docstr: Test st.code() with default language (python).
code: def test_st_code_default(self):
      """Test st.code() with default language (python)."""
      code = "print('Hello, %s!' % 'Streamlit')"
  
      st.code(code)
      element = self.get_delta_from_queue().new_element
  
      self.assertEqual(element.code.code_text, code)
      self.assertEqual(element.code.show_line_numbers, False)
      self.assertEqual(element.code.language, "python")
  
file_path: streamlit/lib/tests/streamlit/elements/code_test.py
imports: import streamlit
  from streamlit.proto.Markdown_pb2 import Markdown
  from tests.delta_generator_test_case import DeltaGeneratorTestCase
label_desc: Use image node_id 1 for calling the CodeElement obj's underlying member method code with example usage: obj.test_st_code_default() without return types