"""__author__=Hanlin"""
all_students = []
# 欢迎进入千峰学生管理系统


def hp():
    print('欢迎进入千峰学生管理系统')
    print('1.添加学生')
    print('2.查找学生')
    print('3.删除学生')
    print('q.退出系统')
    # global s1
    s1 = input('>>>')
    if s1 == '1':
        add_std_ui()
    elif s1 == '2':
        seek()
    elif s1 == '3':
        del_std()
    elif s1 == 'q':
        exit()


# 1.============添加学生==============
def add_std_ui():
    # print('1.添加学生')

    def add_std(name: str, age: int, tel: str):
        global all_students
        all_students.append({'学生姓名': name, '学生年龄': age, '学生的电话号码': tel})

    name = input('请输入学生的姓名:')
    age = int(input('请输入学生的年龄:'))
    tel = input('请出入学生的电话号码')

    add_std(name, age, tel)
    print('1.继续添加')

    print('2.返回上一层')
    s2 = input('>>>')
    if s2 == '2':
        hp()
    elif s2 == '1':
        add_std_ui()


# 2.==============查找学生=================
def seek():
    print('1.查看所有的学生信息')
    print('2.根据名字查看学生信息')
    print('3.返回上一层')
    s2_1 = input('>>>')
    if s2_1 == '3':
        hp()
    elif s2_1 == '1':
        all_info()
    elif s2_1 == '2':
        seek_sn()


#     1.)==========查看所有学生信息========
def all_info():
    print(all_students)
    print('\n')
    print('1.返回上一层')
    s2_1_1 = input('>>>')
    if s2_1_1 == '1':
        seek()


#     2.)============根据名字查看学生信息========
def seek_sn():
    count = 0
    skn = input('请输入要查找的学生姓名：')
    for x in range(len(all_students)):
        if all_students[x]['学生姓名'] == skn:
            print(x, all_students[x])
        else:
            count += 1
    else:
        if count == len(all_students):
            print('没有该学生\n')

    print('1.返回上一层')
    s2_1_2 = input('>>>')
    if s2_1_2 == '1':
        seek()


# ================删除学生================
def del_std():
    count = 0
    del_name = input('请输入要删除的学生姓名：')
    for x in range(len(all_students)):
        if all_students[x]['学生姓名'] == del_name:
            print(x, all_students[x])

        else:
            count += 1
    else:
        if count == len(all_students):
            print('没有该学生\n')
        else:
            del_num = int(input('请选择要删除的学生标号：'))
            del all_students[del_num]
            print('删除成功！！！\n')

    print('1.继续删除')
    print('2.返回上一层')
    s3 = input('>>>')
    if s3 == '1':
        del_std()
    elif s3 == '2':
        hp()


# =============总流程============
hp()