python 字典的键值对对比

import os, sysimport re
#1.列出不同的键值
reload(sys)
sys.setdefaultencoding("utf8")


dct0 = {"name":"zhang","age":"23"}
dct1 = {"name":"san","age":"23"}
def cmpdicts(dct0, dct1):
    diffs = set()
    keys = set(dct0.keys() + dct1.keys())
    for k in keys:
        if cmp(dct0.get(k), dct1.get(k)):
           diffs.add(k)
    return diffs
dict_diff =  cmpdicts(dct0, dct1)
print "字典不同的值："
print dict_diff

import os, sys
import re
#列出所有的不同键值

reload(sys)
sys.setdefaultencoding("utf8")

dct0 = {"name":"zhang","age":"23"}
dct1 = {"name":"san","age":"23","sex":"1"}
print "字典dct0的值：" + str(dct0)
print "字典dct1的值：" + str(dct1)

differ = set(dct0.items()) ^ set(dct1.items())
print "字典不同的值："
print(differ)


print "查看字典dct0和字典dct1共有的key" 
print set(dct0.keys()) & set(dct1.keys())

print "查看字典dct0和字典dct1不共有的key" 
print set(dct0.keys()) ^ set(dct1.keys())

print "查看在字典dct1里面而不在字典dct0里面的key:"  
print set(dct1.keys()) - set(dct0.keys())

print "查看字典dct0和字典dct1相同的键值对:" 
print set(dct0.items()) & set(dct1.items())