from docx import Document
doc = Document('mianyang/mianyang.docx')
for i, para in enumerate(doc.paragraphs):
    style_name = getattr(para.style, 'name', '') or ''
    if style_name.startswith('Heading'):
        text = para.text.strip()
        if text:
            print(f'[{i}] {style_name}: {repr(text[:80])}')