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交作业

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-- coding: utf-8 --

s1=72 s2=85 r=(s2/s1-1)*100 print('%s,去年成绩是%d,今年成绩是%d,提升了%.2f%%' % ('小明',s1,s2,r))

另外

-- coding: utf-8 --

s1=72 s2=85 r=(s2/s1) print('%s,去年成绩是%d,今年成绩是%d,提升了%.2f%%' % ('小明',s1,s2,(s2/s1-1)*100))

保留一位小数,应该是:提升了%.1f%%

姜本聪

#4 Created at ... [Delete] [Delete and Lock User]

s1 = 72 s2 = 85 print("%.1f%%" % ((s2 - s1 ) / s1 * 100))


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