scholardream

摘要： python score=int (input("请输入成绩")) if score<80 and score>=60: print("及格") elif score>=80 and score<90: print("良好") elif score>=90 and score<=100: print 阅读全文

摘要： java 流程结构 public class Demo1 { public static void main(String[] args) { Scanner scanner = new Scanner(System.in); System.out.println("使用next方式接收"); if 阅读全文