python 字典按照key 逆序

  1 #/usr/bin/env python   2 from collections import OrderedDict   3 print 'pyhton sort'   4 mp={}    5 mp[1] =3;   6 mp[3]=9;   7 mp[2] = 2;   8 mp=OrderedDict(sorted(mp.items(), key=lambda t: t[0],reverse = True))   9 for (k,v) in mp.items() :  10         print k,'-----',v