# 餐厅就餐场景，if判断余额，计算找零
dish = "番茄炒蛋套餐"
price = 28   # 套餐价格
cash = 35    # 顾客带的钱

print("==== 餐厅点餐 ====")
print(f"菜品：{dish}，价格：{price}元")
print(f"你身上共有 {cash} 元")

if cash >= price:
    print("可以点餐！")
    remain = cash - price
    print(f"结账成功，找零：{remain} 元")
else:
    print("带的钱不够，无法点这份套餐。")