def format_sources(search_results: Dict[str, Any]) -> str:
    """
    Format search results into a bullet-point list of sources with URLs.
    
    Creates a simple bulleted list of search results with title and URL for each source.
    
    Args:
        search_results (Dict[str, Any]): Search response containing a 'results' key with
                                        a list of search result objects
        
    Returns:
        str: Formatted string with sources as bullet points in the format "* title : url"
    """
    return '\n'.join(
        f"* {source['title']} : {source['url']}"
        for source in search_results['results']
    )

    Format search results into a bullet-point list of sources with URLs.
    
    Creates a simple bulleted list of search results with title and URL for each source.
    
    Args:
        search_results (Dict[str, Any]): Search response containing a 'results' key with
                                        a list of search result objects
        
    Returns:
        str: Formatted string with sources as bullet points in the format "* title : url"
    
src/ollama_deep_researcher/utils.py