def set_alpha(color: str, alpha: float) -> str:
    if color.startswith('#'):
        r, g, b = int(color[1:3], 16), int(color[3:5], 16), int(color[5:7], 16)
    else:
        r, g, b = 0, 0, 0
    return f"rgba({r}, {g}, {b}, {alpha})"

def get_desc(data):
    res = {name: list(dt.to_dict().keys()) for name, dt in data.items()}
    return "\n".join([
        f"**{name}**: min={min(dt)}, max={max(dt)}" for name, dt in res.items()
    ])