程序運行截圖如下：

源碼如下：

if __name__ == '__main__':diction={'1' : 'test1', '2' : 'test2', '3' : 'test3', '4' : 'testA'}hasKey={'2' : 'NiMei'}print("\nThe diction keys are ", end = " ")print(diction.keys())print("The hasKey keys are ", end = " ")print(hasKey.keys(), end="\n\n")i=0for element in diction:print( "i:" + str(i) + "\t" + "element:" + element + "\t" + "diction[element]:" +diction[element])i += 1passprint("\n\n")for j, element in enumerate(diction):print("j:" + str(j) + "\t" + "element:" +element + "\t" + "diction[j]" + diction[str(j+1)])passif '2' in hasKey:print("hasKey.has_key('2') is true !")else:print("hasKey.has_key('2') is false !")if '1' in hasKey:print("hasKey.has_key('1') is true !")else:print("hasKey.has_key('1') is false !")pass

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總結

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