from typing import Dict, List

def get_page_from_documents(documents: List[Dict]) -> int:
    """
    Mengambil nilai 'page' atau 'page_label' dari list dokumen.

    Args:
        documents: List dokumen dari result["documents"].

    Returns:
        Nomor halaman (int) jika ditemukan, None jika tidak ditemukan.
    """
    for doc in documents:
        metadata = doc['metadata']
        page_num = metadata.get('page')  
        if page_num is not None:  
            return page_num
        page_label = metadata.get('page_label')  
        if page_label is not None:
            try:
                return int(page_label) -1  
            except ValueError:
                pass  
    return None