def select_dropdown(options, id=None):
    """Generate a new select dropdown form

    Parameters
    ----------
    options: List[str]
        list of options the user can select

    id: str
        DOM id used to refer to this input form
    """
    html_options = ''.join(f'<option>{opt}</option>' for opt in options)
    return f"""
    <select class="form-control form-control-sm" id="{id}">
        {html_options}
    </select>
    """