有没有办法在QTextEdit中显示堆叠的文本？

from PyQt5.QtWidgets import QApplication, QTextEdit

app = QApplication([])

text_edit = QTextEdit()

stacked_text = """
<h1>标题1</h1>
<p>这是第一段文本。</p>
<h2>标题2</h2>
<p>这是第二段文本。</p>
"""

text_edit.setHtml(stacked_text)
text_edit.show()

app.exec_()