s1 = 72

s2 = 85

r=s2/s1*100-100

n='小明'

print('%s去年的成绩为%d,今年的成绩为%d,成绩较去年提升了%.1f%%' %(n,s1,s2,r))

print('{0}去年的成绩为{1},今年的成绩为{2},成绩较去年提升了{3:.1f}%' .format(n,s1,s2,r))

print(f'{n}去年的成绩为{s1},今年的成绩为{s2},成绩较去年提升了{r:.1f}%' )

感觉这一关有点烧脑了

s1 = 72s2 = 85r = (s2 - s1) / s1print('%2.1f%%' % (r * 100))print('{0:2.1f}%'.format(r * 100))print(f'{(r * 100):2.1f}%')