"""
学生管理系统
主要特点：1.可以检测学号是否重复/有误（不为纯数字）2.可以检测手机号是否合法（是否为纯数字）3.可以检测性别是否为男或者女4.能选择性修个学生的某个属性信息，比如只修改某个学生的手机号码5.能够实现基本的增删改查6.优化了代码
"""name_list = [] # 存储学生信息字典，学生信息用字典存，再用列表存储字典# 菜单
def display_menu():print("-"*30)print("  学生管理系统 v8.8 ")print("1.添加学生信息")print("2.删除学生信息")print("3.修改学生信息")print("4.查询单个学生信息")print("5.查询所有学生信息")print("6.退出系统")print("-"*30)# 选择序号的获得
def get_choice():selected_key = input("请输入选择的序号：")return selected_key# 检查性别是否合法
def check_sex(new_sex):flag = Truewhile flag:if new_sex == '男' or new_sex == '女':flag = Falseelse:new_sex = input("输入性别有误，请重新输入(男/女)：")return new_sex# 检查电话号码是否合法
def check_phone(new_phone):flag = Truewhile flag:if new_phone.isdigit():flag = Falseelse:new_phone = input("您输入的电话号码有误，请重新输入：")return new_phone# 检查学号是否重复或者有误
def check_id(new_id):flag = Truewhile flag:# 先检查是不是纯数字再去考虑是否重复的事情，如果不是纯数字直接passif new_id.isdigit():for i in range(len(name_list)):if name_list[i]['id'] == new_id:new_id = check_id(input("您输入的学号重复，请重新输入："))flag = Falseelse:new_id = input("您输入的学号有误，请重新输入：")return new_id# 添加学生信息
def add_name():new_info = {}new_id = check_id(input("请输入学号："))new_info['id'] = new_idnew_name = input("请输入姓名：")new_info['name'] = new_namenew_sex = check_sex(input("请输入性别(男/女)："))new_info['sex'] = new_sexnew_phone = check_phone(input("请输入电话号码："))new_info['phone'] = new_phonename_list.append(new_info)print("添加成功！")# 查询所有学生信息
def find_all():print("="*30)for name in name_list:print(name['id'], name['name'], name['sex'], name['phone'])print("=" * 30)# 删除学生信息
def del_name():del_id_is = input("请输入要删除的学生学号：")flag = Falseindex = 0for i in range(len(name_list)):if name_list[i]['id'] == del_id_is:flag = Trueindex = ibreakif flag:name_list.pop(index)print("删除成功！")else:print("学生未找到！请检查学号输入是否有误！")# 名字修改细节函数
def choice_of_name(index):while True:choice = input("请输入要修改学生的(1.id 2.姓名 3.性别 4.电话号码，5.全部修改)：")if choice == '5':new_id = input("请输入新的学号：")name_list[index]['id'] = new_idnew_name = input("请输入新的姓名：")name_list[index]['name'] = new_namenew_sex = check_sex(input("请输入性别(男/女)："))name_list[index]['sex'] = new_sexnew_phone = check_phone(input("请输入电话号码："))name_list[index]['phone'] = new_phonebreakelif choice == '1':new_id = input("请输入新的学号：")name_list[index]['id'] = new_idbreakelif choice == '2':new_name = input("请输入新的姓名：")name_list[index]['name'] = new_namebreakelif choice == '3':new_sex = check_sex(input("请输入性别(男/女)："))name_list[index]['sex'] = new_sexbreakelif choice == '4':new_phone = check_phone(input("请输入电话号码："))name_list[index]['phone'] = new_phonebreakelse:print("输入有误，请重新输入！")# 修改学生信息
def re_name():id_is = input("请输入要修改的学生学号：")flag = Falseindex = 0# 先找到要修改的学生的下标for i in range(len(name_list)):if name_list[i]['id'] == id_is:flag = Trueindex = ibreakif flag:choice_of_name(index)print("修改成功！")else:print("修改失败，学生信息未找到！")# 查询单个学生信息
def find_name():find_id_is = input("请输入要查询的学生学号：")flag = Falseindex = 0for i in range(len(name_list)):if name_list[i]['id'] == find_id_is:flag = Trueindex = ibreakif flag:print("学生查询到，学生信息为：")print(name_list[index]['id'], name_list[index]['name'], name_list[index]['sex'], name_list[index]['phone'])else:print("学生未找到！")def main():exit_name = Truewhile exit_name:display_menu()key = get_choice()if key == '1':add_name()elif key == '2':del_name()elif key == '3':re_name()elif key == '4':find_name()elif key == '5':find_all()elif key == '6':exit_name = Falseelse:print("请输入正确的数值！")main()"""
学生管理系统
主要特点：1.可以检测学号是否重复/有误（不为纯数字）2.可以检测手机号是否合法（是否为纯数字）3.可以检测性别是否为男或者女4.能选择性修个学生的某个属性信息，比如只修改某个学生的手机号码5.能够实现基本的增删改查6.优化了代码
"""name_list = [] # 存储学生信息字典，学生信息用字典存，再用列表存储字典# 菜单
def display_menu():print("-"*30)print("  学生管理系统 v8.8 ")print("1.添加学生信息")print("2.删除学生信息")print("3.修改学生信息")print("4.查询单个学生信息")print("5.查询所有学生信息")print("6.退出系统")print("-"*30)# 选择序号的获得
def get_choice():selected_key = input("请输入选择的序号：")return selected_key# 检查性别是否合法
def check_sex(new_sex):flag = Truewhile flag:if new_sex == '男' or new_sex == '女':flag = Falseelse:new_sex = input("输入性别有误，请重新输入(男/女)：")return new_sex# 检查电话号码是否合法
def check_phone(new_phone):flag = Truewhile flag:if new_phone.isdigit():flag = Falseelse:new_phone = input("您输入的电话号码有误，请重新输入：")return new_phone# 检查学号是否重复或者有误
def check_id(new_id):flag = Truewhile flag:# 先检查是不是纯数字再去考虑是否重复的事情，如果不是纯数字直接passif new_id.isdigit():for i in range(len(name_list)):if name_list[i]['id'] == new_id:new_id = check_id(input("您输入的学号重复，请重新输入："))flag = Falseelse:new_id = input("您输入的学号有误，请重新输入：")return new_id# 添加学生信息
def add_name():new_info = {}new_id = check_id(input("请输入学号："))new_info['id'] = new_idnew_name = input("请输入姓名：")new_info['name'] = new_namenew_sex = check_sex(input("请输入性别(男/女)："))new_info['sex'] = new_sexnew_phone = check_phone(input("请输入电话号码："))new_info['phone'] = new_phonename_list.append(new_info)print("添加成功！")# 查询所有学生信息
def find_all():print("="*30)for name in name_list:print(name['id'], name['name'], name['sex'], name['phone'])print("=" * 30)# 删除学生信息
def del_name():del_id_is = input("请输入要删除的学生学号：")flag = Falseindex = 0for i in range(len(name_list)):if name_list[i]['id'] == del_id_is:flag = Trueindex = ibreakif flag:name_list.pop(index)print("删除成功！")else:print("学生未找到！请检查学号输入是否有误！")# 名字修改细节函数
def choice_of_name(index):while True:choice = input("请输入要修改学生的(1.id 2.姓名 3.性别 4.电话号码，5.全部修改)：")if choice == '5':new_id = input("请输入新的学号：")name_list[index]['id'] = new_idnew_name = input("请输入新的姓名：")name_list[index]['name'] = new_namenew_sex = check_sex(input("请输入性别(男/女)："))name_list[index]['sex'] = new_sexnew_phone = check_phone(input("请输入电话号码："))name_list[index]['phone'] = new_phonebreakelif choice == '1':new_id = input("请输入新的学号：")name_list[index]['id'] = new_idbreakelif choice == '2':new_name = input("请输入新的姓名：")name_list[index]['name'] = new_namebreakelif choice == '3':new_sex = check_sex(input("请输入性别(男/女)："))name_list[index]['sex'] = new_sexbreakelif choice == '4':new_phone = check_phone(input("请输入电话号码："))name_list[index]['phone'] = new_phonebreakelse:print("输入有误，请重新输入！")# 修改学生信息
def re_name():id_is = input("请输入要修改的学生学号：")flag = Falseindex = 0# 先找到要修改的学生的下标for i in range(len(name_list)):if name_list[i]['id'] == id_is:flag = Trueindex = ibreakif flag:choice_of_name(index)print("修改成功！")else:print("修改失败，学生信息未找到！")# 查询单个学生信息
def find_name():find_id_is = input("请输入要查询的学生学号：")flag = Falseindex = 0for i in range(len(name_list)):if name_list[i]['id'] == find_id_is:flag = Trueindex = ibreakif flag:print("学生查询到，学生信息为：")print(name_list[index]['id'], name_list[index]['name'], name_list[index]['sex'], name_list[index]['phone'])else:print("学生未找到！")def main():exit_name = Truewhile exit_name:display_menu()key = get_choice()if key == '1':add_name()elif key == '2':del_name()elif key == '3':re_name()elif key == '4':find_name()elif key == '5':find_all()elif key == '6':exit_name = Falseelse:print("请输入正确的数值！")main()