'''
1.添加学员
2.修改学员
3.查询学员
4.删除学员
0.退出程序
'''
'''
# 大列表中嵌套小列表,小列表中存储一个学员的完整信息
student_list = [['张三','22','男','110'],['李四','22','男','110'],['王五','22','男','110']]
# 例如要取出张三这个学员的信息
# 1.取出张三这个学员的小列表
student1 = student_list[0]
# 2.再从小列表中根据索引取出姓名、年龄、性别、电话
name = student1[0]
age = student1[1]
sex = student1[2]
phone = student1[3]
'''
stu_list = []
def add():
name = input('请输入要添加的学员姓名:')
age = input('请输入要添加的学员年龄:')
sex = input('请输入要添加的学员性别:')
phone = input('请输入要添加的学员电话号码:')
stu_list.append([name, age, sex, phone])
print('----------------------------')
print('添加成功!!!')
def change():
if len(stu_list) == 0:
print('----------------------------')
print('没有学员信息,无法修改!')
return # 强制结束函数执行,return下所有代码都不会执行
find_3()
put = int(input('请输入您要修改的学员编号:'))
while put not in range(0, len(stu_list)):
put = int(input('编号不存在,请重新输入:'))
name = stu_list[put]
age = stu_list[put]
sex = stu_list[put]
phone = stu_list[put]
new_name = input('请输入您修改后的姓名:')
new_age = input('请输入您修改后的年龄:')
new_sex = input('请输入您修改后的性别:')
new_phone = input('请输入您修改后的电话号码:')
stu_list[put] = [new_name, new_age, new_sex, new_phone]
print('----------------------------')
print('修改成功!!!')
def find_1():
print('---------学员信息列表---------')
if (len(stu_list) == 0):
print(' (列表为空,无法查询!) ')
return
put = int(input('请输入您要查询学生的编号:'))
while put not in range(0, len(stu_list)):
put = int(input('编号不存在,请重新输入:'))
find_list = stu_list[put]
name = find_list[0]
age = find_list[1]
sex = find_list[2]
phone = find_list[3]
print('编号:%s,姓名:%s,年龄:%s,性别:%s,电话号码:%s' % (put, name, age, sex, phone))
def find_2():
print('---------学员信息列表---------')
if (len(stu_list) == 0):
print(' (列表为空,无法查询!) ')
return
while True:
name1 = input('请输入您要查询学生的姓名:')
find = False
for put in range(0, len(stu_list)):
find_list = stu_list[put]
name = find_list[0]
age = find_list[1]
sex = find_list[2]
phone = find_list[3]
if name == name1:
find = True
print('编号:%s,姓名:%s,年龄:%s,性别:%s,电话号码:%s' % (put, name1, age, sex, phone))
if find == False:
print('姓名不存在,请重新输入姓名:')
else:
find == True
break
def find_3():
print('---------学员信息列表---------')
if( len(stu_list) == 0):
print(' (空) ')
for put in range(0, len(stu_list)):
find_list = stu_list[put]
name = find_list[0]
age = find_list[1]
sex = find_list[2]
phone = find_list[3]
print('编号:%s,姓名:%s,年龄:%s,性别:%s,电话号码:%s' % (put, name, age, sex, phone))
def delete_num():
if len(stu_list) == 0:
print('----------------------------')
print('没有学员信息,无法删除!')
return
put = int(input('请输入您要删除的学员编号:'))
while put not in range(0, len(stu_list)):
put = int(input('编号不存在,请重新输入:'))
del stu_list[put]
print('----------------------------')
print('删除成功!!!')
def delete_name():
while True:
name2 = input('请输入您要删除学生的姓名:')
find = False
for put in range(0, len(stu_list)):
find_list = stu_list[put]
name = find_list[0]
age = find_list[1]
sex = find_list[2]
phone = find_list[3]
if name == name2:
find = True
del stu_list[put]
print('----------------------------')
print('删除成功!!')
if find == False:
print('姓名不存在,请重新输入姓名:')
else:
break
def delete_both():
stu_list.clear()
print('----------------------------')
print('已删除所有学员信息!!!')
while True:
print('----------------------------')
print('1.添加学员')
print('2.修改学员')
print('3.查询学员')
print('4.删除学员')
print('0.退出程序')
print('----------------------------')
num = int(input('请选择您要进行的操作:'))
while num not in range(0, 5):
num = int(input('没有该选项,请重新输入:'))
if num == 1:
add()
elif num == 2:
change()
elif num == 3:
print('1.按编号查询学员')
print('2.按姓名查询学员')
print('3.查询所有学员')
print('----------------------------')
num1 = int(input('请选择您要查询的方式:'))
while num1 not in range(1, 4):
num1 = int(input('没有该选项,请重新输入:'))
if num1 == 1:
find_1()
elif num1 == 2:
find_2()
elif num1 == 3:
find_3()
elif num == 4:
print('1.按编号删除学员')
print('2.按姓名删除学员')
print('3.删除所有学员')
print('----------------------------')
num2 = int(input('请选择您要删除的方式:'))
while num2 not in range(1, 4):
num2 = int(input('没有该选项,请重新输入:'))
if num2 == 1:
delete_num()
elif num2 == 2:
delete_name()
elif num2 == 3:
sure = input('确定删除所有信息?y(确定)/n(取消):')
if sure == 'y':
delete_both()
elif sure == 'n':
print('删除操作已取消!')
else:
print('输入有误')
else:
print('谢谢使用,再见!')
break