all_choose = 1
num = 1
all_student = []


def stu_insert():
    stu_dict = {}
    stu_name = input('請輸入學(xué)生姓名:')
    stu_dict['姓名'] = stu_name
    stu_age = input('請輸入學(xué)生年齡：')
    stu_dict['年齡'] = stu_age
    stu_tel = input('請輸入學(xué)生電話：')
    stu_dict['電話'] = stu_tel
    stu_dict['學(xué)號'] = str(num).zfill(3)
    all_student.append(stu_dict)
    print('添加成功！')
    print('1.繼續(xù)')
    print('2.返回')
    choose = int(input('??請選擇（1-2）'))
    return choose


def see_all_student():
    for stu_dict in all_student:
        print(stu_dict)


def see_name_student():
    stu_name = input('?輸入學(xué)生姓名：')
    for stu_dict in all_student:
        if stu_dict['姓名'] == stu_name:
            print(stu_dict)
            break
    else:
        print('沒有查到該學(xué)生信息饭于！')


def see_number_student():
    stu_num = input('輸入學(xué)生學(xué)號：')
    for stu_dict in all_student:
        if stu_dict['學(xué)號'] == stu_num.zfill(3):
            print(stu_dict)
            break
    else:
        print('沒有查到該學(xué)生信息！')


def modify_student():
    stu_num = input('輸入要修改學(xué)生的學(xué)號：')
    for stu_dict in all_student:
        if stu_dict['學(xué)號'] == stu_num.zfill(3):
            new_name = input('修改后的姓名為：')
            new_age = input('修改后的年齡為：')
            new_tel = input('修改后的電話為：')
            stu_dict['姓名'] = new_name
            stu_dict['年齡'] = new_age
            stu_dict['電話'] = new_tel
            print('修改成功来氧！')
            break


def delete_student():
    stu_num = input('輸入要刪除學(xué)生的學(xué)號')
    for index in range(len(all_student)):
        if all_student[index]['學(xué)號'] == stu_num.zfill(3):
            all_student.pop(index)
            print('刪除成功！')


while all_choose != 6:
    print('==================================')
    print('歡迎喵：')
    print('1.添加學(xué)生')
    print('2.查看學(xué)生')
    print('3.修改學(xué)生信息')
    print('4.刪除學(xué)生')
    print('5.返回')
    print('6.退出')
    print('==================================')
    all_choose = int(input('請選擇(1-6)'))

    if all_choose == 1:
        choose1 = 1
        while choose1 == 1:
            choose1 = stu_insert()
            num += 1

    if all_choose == 2:
        print('1.查看所有學(xué)生')
        print('2.按姓名查找')
        print('3.按學(xué)號查找')
        print('4.返回')
        choose2 = int(input('請選擇（1-4）'))
        if choose2 == 1:
            see_all_student()
        if choose2 == 2:
            see_name_student()
        if choose2 == 3:
            see_number_student()

    if all_choose == 3:
        modify_student()

    if all_choose == 4:
        delete_student()