s1=72
s2=85
r=(s2-s1)/s1*100
print('{0}的成绩提升了:{1:.1f}%'.format('小明',r))
print('小明成绩提高了:%0.1f%%' %r)
print(f'小明的成绩提高了{r:0.1f}%')
print('%s成绩提高了:%0.1f%%' %('小明',r))
a = '小明'
print(f'{a}的成绩提高了{r:0.1f}%')
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Dywbasm
s1=72
s2=85
r=(s2-s1)/s1*100
print('{0}的成绩提升了:{1:.1f}%'.format('小明',r))
print('小明成绩提高了:%0.1f%%' %r)
print(f'小明的成绩提高了{r:0.1f}%')