python 字典排序
import operator dict={'a':1,'b':4,'c':3} sortedDict=sorted(dict.iteritems(),key=operator.itemgetter(0),reverse=True) sortedDict1=sorted(dict.iteritems(),key=operator.itemgetter(1),reverse=True) sortedDict2=sorted(dict.iteritems(),key=lambda asd:asd[0],reverse=True) sortedDict3=sorted(dict.iteritems(),key=lambda asd:asd[1],reverse=True) print "sorted",sortedDict print "sorted",sortedDict1 print "sorted",sortedDict2 print "sorted",sortedDict3