s1 = 72
s2 = 85
s3 = (s2/s1-1)*100
print('小明成绩提升百分比为: %.1f %%' % (s3))
print('小明成绩提升百分比为: {0:.1f} %'.format(s3))
print(f'小明成绩提升百分比为: {s3:.1f} %')
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柴哲远
s1 = 72
s2 = 85
s3 = (s2/s1-1)*100
print('小明成绩提升百分比为: %.1f %%' % (s3))
print('小明成绩提升百分比为: {0:.1f} %'.format(s3))
print(f'小明成绩提升百分比为: {s3:.1f} %')