What does named tuple do?

student=('Jim','16','male','Jim123@qq.com')

# name
print(student[0])

# age
print(student[1])

# sex
print(student[2])
    
#email
print(student[3])

#用元祖的下标索引来访问元组中的值，0，1，2，3名字没有意义

Jim
16
male
Jim123@qq.com

方法一：利用对下标索引赋值，达到有意义

#方法一：利用对下标索引赋值，达到有意义
NAME,AGE,SEX,EMAIL = range(0,4)
# name
print(student[NAME])

# age
print(student[AGE])

# sex
print(student[SEX])
    
#email
print(student[EMAIL])

Jim
16
male
Jim123@qq.com

方法二：collections 模块 namedtuple 方法

#方法二：collections 模块 namedtuple 方法
from collections import namedtuple
student = namedtuple('student',['name','age','sex','email'])
s = student('Jim','16','male','Jim123@qq.com')
s.name

'Jim'

s.sex

'male'

s.age

'16'

s.email

'Jim123@qq.com'