python学习02

 7.字典(dic)

    dic={'name':'kyle','age':'23','gender':'male'}

    字典(dic)和java中的map类似,dic中存储的是(key,value)的键值对。

    (1)可以用for循环取出dic的key值:

1 >>>dic={'name':'kyle','age':'23','gender':'male'}
2 >>> for x in dic:
3 ...     print x
4 ... 
5 gender
6 age
7 name

    (2)循环取出value值:

1 >>> dic={'name':'kyle','age':'23','gender':'male'}
2 >>> for x in dic:
3 ...     print dic[x]
4 ... 
5 male
6 23
7 kyle
原文地址:https://www.cnblogs.com/kylyww/p/6506850.html