大数据学习笔记5：python 基础学习二 dict list set

python 基础学习二  dict  list set

 

 

  dict 相当于 java的 map {} ，list 数组 []   ,set  set()

 

#!/usr/bin/python

xuehao ={"zhangsan":"1","lisi":"2","wangwu":"3"}
print xuehao
print xuehao["zhangsan"]

color=["red","blank","yellow"]
print color
print color[0]

a_set = set()
a_set.add("aaa")
a_set.add("bbb")
a_set.add("ccc")
print a_set

 

[root@master src]# python 3.py

{'lisi': '2', 'zhangsan': '1', 'wangwu': '3'}

1

['red', 'blank', 'yellow']

red

set(['aaa', 'bbb', 'ccc'])