blogger = {'name': 'binguo','age': 27}

print 'name:'+ blogger['name'] +' age:' +str(blogger['age'])

blogger['gender'] = 'male'
print blogger #{'gender': 'male', 'age': 27, 'name': 'binguo'}

blogger['name'] = 'binguo168'
print blogger['name'] #binguo168

del blogger['age']
print blogger #{'gender': 'male', 'name': 'binguo168'}

for key,value in blogger.items():print '\nkey:'+keyprint 'value:'+value
'''
key:gender
value:malekey:name
value:binguo168
'''

for key in blogger.keys():print 'key:'+key
"""
key:gender
key:name
"""

#按顺序遍历字典中所有的键
for key in sorted(blogger.keys()): #对blogger.keys()方法调用了 临时性排序函数sorted()print 'key:'+key

for value in blogger.values():print 'value:'+value
"""
value:male
value:binguo168
"""
#当字典中含有重复元素时，可以集合(set)予以处理，比如：
blogger['NameUsedBefore'] = 'binguo168'
#此时blogger字典的value值中就出现了重复元素:['male', 'binguo168', 'binguo168']
print blogger.values()
#通过转换集合的方式，剔除了重复元素
for newvalue in set(blogger.values()):print newvalue
"""
binguo168
male
"""

blogger2 = [{'name':'bingru','age':26},{'company':'csdn','salary':'you guess'}]
for message in blogger2:print message
#字典嵌套列表
blogger3 ={'personmessage':['binguo','male','27'],'hobby':'study'}
for key3,value3 in blogger3.items():print '\nkey3:' + key3print value3
#字典嵌套字典
bloggers = {'binguo':{'gender':'male','age':27},'binguo168':{'hobby':'study','education':'graduate from primary school'}}
for blogger,blogger_info in bloggers.items():print '\nblogger:' + bloggerprint blogger_info
"""
blogger:binguo168
{'hobby': 'study', 'education': 'graduate from primary school'}blogger:binguo
{'gender': 'male', 'age': 27}
"""