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@author jackzhenguo
@desc 
@date 2019/4/26

79 带名字的元组

定义名字为Point的元祖,字段属性有x,y,z

from collections import namedtuple
Point = namedtuple('Point', ['x', 'y', 'z'])  
lst = [Point(1.5, 2, 3.0), Point(-0.3, -1.0, 2.1), Point(1.3, 2.8, -2.5)]
print(lst[0].y - lst[1].y)

使用命名元组写出来的代码可读性更好,尤其处理上百上千个属性时作用更加凸显。