# -*- coding: utf-8 -*-
#python 27
#xiaodeng
#python之函数用法get()
#http://www.runoob.com/python/att-dictionary-get.html
#dict.get(key, default=None)
#说明:返回指定键的值,如果值不在字典中返回默认值.
#key:要查找的键
#default:如果指定键的值不存在时,返回该默认值值
'''
>>> help(d.get)
Help on built-in function get:
get(...)
D.get(k[,d]) -> D[k] if k in D, else d. d defaults to None.
如k在D中,返回 D[K]
否则,返回defaults
'''
#案例
d={'name':'xiaodeng','age':28}
print d.get('name','red') #xiaodeng
print d.get('color','red') #red
print d #{'age': 28, 'name': 'xiaodeng'}