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题目要求: 计算student_grade.txt 中 语文成绩的平均值, 找出数学成绩最高的学生是谁 方法一: # 读取原始文件并以行分隔 with open('student_grade.txt',mode='r', encoding='utf-8' ) as f ...

算法： 运行结果： ...

SELECT L.C# As 课程ID,L.score AS 最高分,R.score AS 最低分 FROM SC L ,SC AS R WHERE L.C# = R.C# and L.score = (SELECT MAX(IL.score ...

一、问题呈现 1.问题描述 Problem Description 2.输入输出 Input Output 3.测试样例 样例1 Sample Input Sampl ...

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//找出各科最高成绩create table gradeMax(id int primary key auto_increment,name varchar(20),subject varchar(20),grade int); insert into gradeMax(name ...