def into_print():
print("欢迎来到学员管理系统")
print("1、添加学员")
print("2、删除学员")
print("3、修改学员信息")
print("4、查询学员信息")
print("5、显示所有学员信息")
print("6、退出系统")
#添加学员信息的函数
info=[]
def add_info():
new_id=input("请输入id：")
new_name=input("请输入姓名：")
new_tel=input("请输入手机号：")
global info
for i in info:
if new_name==i["name"]:
print("该用户已经存在")
return
info_dict={}
info_dict["id"]=new_id
info_dict["name"] = new_name
info_dict["tel"]=new_tel
info.append(info_dict)
print(info)
def del_info():
del_name=input("请输入要删除的学员的姓名：")
global info
for i in info:
if del_name==i["name"]:
info.remove(i)
print(info)
break
else:
print("该学员不存在")
def modify_info():
modify_name=input("请输入要修改的学员的姓名")
global info
for i in info:
if modify_name==i["name"]:
i["tel"]=input("请输入新的手机号：")
break
else:
print("该学员不存在")
print(info)
def search_info():
search_name=input("请输入要查找的学员姓名：")
global info
for i in info:
if search_name==i["name"]:
print("查找到的学员信息如下：————————")
print(f"该学员是{i['id']},姓名是{['name']},"
f"手机号是{i['tel']}")
break
else:
print("该学员不存在")
def print_all():
print("学号\t姓名\t手机号")
for i in info:
print(f'{i["id"]},{i["name"]},{i["tel"]}')
while True:
into_print()
user_num=int(input("请输入功能序号："))
if user_num==1:
add_info()
elif user_num==2:
del_info()
elif user_num==3:
modify_info()
elif user_num == 4:
search_info()
elif user_num == 5:
print_all()
elif user_num == 6:
exit_flag=input("确定要退出吗？yes or no:")
if exit_flag=="yes":
break
else:
print("输入有误")
