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缩写为美国州！
给定左侧的50个美国州名之一作为输入，输出其两个字母的邮政编码，如右侧所示： Alabama AL Alaska AK Arizona AZ Arkansas AR California CA Colorado CO Connecticut CT Delaware DE Florida FL Georgia GA Hawaii HI Idaho ID Illinois IL Indiana IN Iowa IA Kansas KS Kentucky KY Louisiana LA Maine ME Maryland MD Massachusetts MA Michigan MI Minnesota MN Mississippi MS Missouri …