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- 输入10个百分制的成绩; 将百分制成绩(0~100)转变为五级分制(优、良、中、及格、不及格); 输出转变后的5级分制的成绩。-Enter the 10 percentile score would percentile scores (0 to 100) into a five-point scale (excellent, good, medium, pass, fail) output transition after five-point score.