Python Student Information Management System (Lite Edition)

Code

#存放学生信息
student = list()
#展示菜单
def showMenu():
    print("1.增加学生信息")
    print("2.删除学生信息")
    print("3.修改学生信息")
    print("4.显示学生信息")
    print("0.退出系统")
    select = eval(input("操作："))
    return select
#添加学生信息
def addStudent():
    print("-----增加学生信息-----")
    name = input("姓名:")
    sex = input("性别:")
    age = input("年龄:")
    phone = input("电话:")
    student.append({
    
    "name":name,"sex":sex,"age":age,"phone":phone})
    print("添加成功!")
#展示学生信息
def showStudent():
    if len(student) == 0:
        print("当前学生信息为空!")
    else:
        print("-----------学生信息------------")
        print("序号\t姓名\t性别\t年龄\t电话")
        for i in range(0,len(student)):
            print("%d\t%s\t%s\t%s\t%s"%(i+1,student[i].get('name'),student[i].get('sex'),student[i].get('age'),student[i].get('phone')))
        print("------------------------------")
#删除学生信息
def delStudent():
        print("---正在进行删除操作---")
        print("-----当前学生信息------")
        showStudent()
        select = eval(input("请输入要删除的学生序号:"))
        del student[select-1]
        print("删除成功!")
#修改学生信息
def reviseStudent():
    studict = {
    
    1: "name", 2: "sex", 3: "age", 4: "phone"}
    print("-----正在进行修改操作-----")
    showStudent()
    num = eval(input("请输入要修改的学生序号:"))
    print("1-修改姓名\n2-修改性别\n3-修改年龄\n4-修改电话")
    revisenum = eval(input("请输入要修改的信息序号:"))
    newstr = input("请输入新的信息:")
    student[num-1][studict[revisenum]] = newstr
    print("修改成功!")
#主要运行函数
def init():
    while True:
        #显示学生信息
        showStudent()
        #显示菜单
        select = showMenu()
        if select == 1:
            addStudent()
        elif select == 2:
            delStudent()
        elif select == 3:
            reviseStudent()
        elif select == 4:
            showStudent()
        elif select == 0:
            #退出系统
            break
        else:
            print("输入有误！请重新操作！")
            continue
init()

operation result

1. Add student information
   

2. Delete student information

3. Modify student information

4. Display student information