实例如下：
def TestDic1(): dict2 ={'aa':222,11:222} for val in dict2: print val def TestDic2(): dict2 ={'aa':222,11:222} for (key,val) in dict2.items(): print key,":",val def TestList1(): list=[1,2,3,4,5,3,2,'ada','fs3'] for i in range(len(list)): print list[i] def TestDic3(): dict2 ={'aa':222,11:222} print "###########iteritems#################" for k,v in dict2.iteritems(): print "dict[%s]=" % k,v def TestDic4(): dict2 ={'aa':222,11:222} print "###########iterkeys,itervalues#######" for k,v in zip(dict2.iterkeys(),dict2.itervalues()): print "dict[%s]=" % k,v def TestList2(): list=[1,2,3,4,5,3,2,'ada','fs3'] for i in list: print i
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