学JAVA用PYTHON重写day01

package day01;
//JAVA day01

import java.util.Scanner;

public class Demo03 {
    /*
        编写收银台小程序，输入个数，单价，金额，输出找零。
        满100打95折；
        满300打90折；
        满500打85折；
     */
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        System.out.println("请输入个数:");
        int mount = scanner.nextInt();
        System.out.println("请输入单价:");
        float price = scanner.nextFloat();
        System.out.println("请输入金额:");
        float amount = scanner.nextFloat();

        float pay = mount * price;

        if(pay >= 500){ // 满500，pay >=500
            pay = pay * 0.85f;
        }else if(pay >= 300){
            pay *= 0.9;
        }else if(pay >= 100){
            pay *= 0.95;
        }

        float change = amount - pay;

        System.out.println("找零:" + change);
    }
}

 

#python day01

mount = int(input("请输入个数:"))
price = int(input("请输入单价:"))
amount = int(input("请输入金额:"))
pay = mount * price

if pay >= 500 :
    pay = pay * 0.85
elif pay >= 300 :
    pay = pay * 0.9
elif pay >= 100 :
    pay = pay * 0.95

change = amount - pay
if change >= 0 :
    print("找零:", change)
else :
    print("欠费:", change)