s1 =72 s2 = 85 s_pen = (s2-s1)/s2*100 print('%s今年的成绩比去年提升了%.1f%%'%('小明',s_pen)) print('{0}学今年的成绩比去年提升了{1:f}%'.format('小明',s_pen))
为啥要*100，thanks
如果不乘100，那么输出的就是0.2%。
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用户6562716509
s1 =72 s2 = 85 s_pen = (s2-s1)/s2*100 print('%s今年的成绩比去年提升了%.1f%%'%('小明',s_pen)) print('{0}学今年的成绩比去年提升了{1:f}%'.format('小明',s_pen))