用python编写学生管理系统

学生信息管理系统是一个非常实用的工具，可以帮助教师和管理员更有效地管理学生信息。Python是一种非常适合开发此类系统的语言，因为它具有简单易学、易维护等特点。下面是一个简单的学生信息管理系统的示例：

# 定义一个学生类
class Student:
    def __init__(self, name, age, gender, id):
        self.name = name
        self.age = age
        self.gender = gender
        self.id = id

# 定义一个学生信息管理系统类
class StudentManagementSystem:
    def __init__(self):
        self.students = []

    # 添加学生信息
    def add_student(self, student):
        self.students.append(student)

    # 根据学生ID查找学生信息
    def find_student_by_id(self, id):
        for student in self.students:
            if student.id == id:
                return student
        return None

    # 根据学生ID删除学生信息
    def delete_student_by_id(self, id):
        student = self.find_student_by_id(id)
        if student:
            self.students.remove(student)

    # 修改学生信息
    def modify_student(self, id, name, age, gender):
        student = self.find_student_by_id(id)
        if student:
            student.name = name
            student.age = age
            student.gender = gender

    # 显示所有学生信息
    def show_all_students(self):
        for student in self.students:
            print("Name: {}, Age: {}, Gender: {}, ID: {}".format(student.name, student.age, student.gender, student.id))

# 创建一个学生信息管理系统对象
sms = StudentManagementSystem()

# 添加学生信息
s1 = Student("Tom", 18, "Male", "001")
s2 = Student("Lucy", 19, "Female", "002")
sms.add_student(s1)
sms.add_student(s2)

# 查找学生信息
s = sms.find_student_by_id("001")
if s:
    print("Name: {}, Age: {}, Gender: {}, ID: {}".format(s.name, s.age, s.gender, s.id))
else:
    print("Student not found")

# 修改学生信息
sms.modify_student("001", "Jerry", 20, "Male")

# 删除学生信息
sms.delete_student_by_id("002")

# 显示所有学生信息
sms.show_all_students()