s1 = 72s2 = 85r = ((s2-s1)/s1)*100print('小明成绩提升的百分点为%.1f%%'%r)print(f'小明成绩提升的百分点为{r:.1f}%')print('小明成绩提升的百分点为{0:.1f}%'.format(r))
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