def build_section_markmap(section: dict):
    """Build all markmap with the content from markdown structure, and add a hash before to build the sequence

    Args:
        section (dict): structure from markdown header's sections

    Returns:
        str: All markmap content to insert
    """
    section_str = ""

    for key in section:
        for header in section[key]:
            section_str += f"#{header.strip()}\n"
        section_str += "\n"
    return section_str