s1 = 72s2 = 85r = (s2-s1)/s1*100print('小明的成绩提升了 %.1f %%'%r)print('小明的成绩提升了:{0:.1f}%'.format(r))print(f'小明的成绩提升了:{r:.1f}%')
s1 = 72
s2 = 85
r = 100*(s2-s1)/s1
print(f'小皮成绩提升了{r:.1f}%')
print('hello,{0},你的成绩提升了{1:.1f}%'.format('小皮',r))
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