将新转来的学生姓名添加到集合student中,其中student集合已经存储了本班其他学生信息。student={"Mary","Linda","Jack","Tom","Rose","Mike"}
时间: 2024-06-02 18:05:56 浏览: 12
你可以使用add()方法将新转来的学生姓名添加到已有的集合student中,代码如下:
```
student = {"Mary", "Linda", "Jack", "Tom", "Rose", "Mike"}
new_student = "Lucy"
student.add(new_student)
print(student)
```
运行结果为:
```
{"Mary", "Linda", "Jack", "Tom", "Rose", "Mike", "Lucy"}
```
其中,add()方法可以添加一个元素到集合中。如果添加的元素已经存在于集合中,则不进行任何操作。如果要添加多个元素,可以使用update()方法。例如,如果要添加两个新学生"Lucy"和"John",可以使用以下代码:
```
student = {"Mary", "Linda", "Jack", "Tom", "Rose", "Mike"}
new_students = ["Lucy", "John"]
student.update(new_students)
print(student)
```
运行结果为:
```
{"Mary", "Linda", "Jack", "Tom", "Rose", "Mike", "Lucy", "John"}
```
相关问题
python代码集合student中存储着本班学生信息,现新转来一名学生,请将其姓名添加到student中。student={"Mary","Linda","Jack","Tom","Rose","Mike"}
可以使用add()方法将新学生的姓名添加到student中,代码如下:
```
student = {"Mary", "Linda", "Jack", "Tom", "Rose", "Mike"}
new_student = "John"
student.add(new_student)
print(student)
```
输出结果为:
```
{"Mary", "Linda", "Jack", "Tom", "Rose", "Mike", "John"}
```
在HashSet集合中添加三个Student对象,有学号和姓名。要求如下:
可以按照以下步骤进行操作:
1. 创建一个HashSet集合,用于存放Student对象。
```
Set<Student> set = new HashSet<>();
```
2. 创建三个Student对象,并设置学号和姓名。
```
Student s1 = new Student("001", "张三");
Student s2 = new Student("002", "李四");
Student s3 = new Student("003", "王五");
```
3. 将这三个Student对象添加到HashSet集合中。
```
set.add(s1);
set.add(s2);
set.add(s3);
```
注意:为了让HashSet集合能够正确地判断两个Student对象是否相同,需要在Student类中重写hashCode()和equals()方法,以便根据学号和姓名来判断对象是否相同。