code: def test_multiline_paragraph(self):
      self.assertMarkdownRenders(
          self.dedent(
              """
                  This is a paragraph
                  on multiple lines
                  with hard returns.
                  """
          ),
          self.dedent(
              """
                  <p>This is a paragraph
                  on multiple lines
                  with hard returns.</p>
                  """
          ),
      )
  
file_path: markdown/tests/test_syntax/blocks/test_paragraphs.py
imports: from markdown.test_tools import TestCase
label_desc: Use image node_id 3 for calling the TestParagraphBlocks obj's underlying member method code with example usage: obj.test_multiline_paragraph() without return types