代码如下:
price = input("请输入商品价格以空格分割:").strip()
price = list(map(int,price.split(' ')))
amount = len(price)
if amount >= 5:
print(f"购买了{amount}件商品,享受八折优惠。优惠后的价格为:{sum(price)*0.8},优惠金额为:{sum(price)*0.2}")
else:
print(f"购买了{amount}件商品。总价为:{sum(price)}")
输出如下: