提取在文件中重复的标题之间的行

def extract_duplicate_sections(file_path):
    sections = {}
    current_title = None
    with open(file_path, 'r') as file:
        for line in file:
            line = line.strip()
            if line.startswith("#"):  # 假设标题以#开头
                current_title = line
                sections[current_title] = []
            elif current_title:
                sections[current_title].append(line)
    
    duplicates = {title: content for title, content in sections.items() if len(content) > 1}
    return duplicates

# 使用示例
duplicates = extract_duplicate_sections('example.txt')
for title, lines in duplicates.items():
    print(f"重复的标题: {title}")
    for line in lines:
        print(f"  {line}")