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Longman Hardly a week goes by without some food scare being reported in the media.Hardly a month goes by without another factory closing down. Collins 阅读全文
posted @ 2020-07-01 22:48
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import sys # print(help(sys.stdout)) sys.stdout.write("the quick brown fox jumps over the lazy dog.") #返回值是字符串长度 sys.stderr.write("to err is humane, t 阅读全文
posted @ 2020-06-26 20:32
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