金融体系国际比较

def solve(____):
    comparison = []
    for country, data in countries_data.items():
        bank_ratio = data["____"] / data["____"]
        system_type = "____" if bank_ratio > ____ else "____"
        comparison.append({"____": country, "____": round(____), "____": system_type})
    return {"____": comparison}