# !/usr/bin/python
# -*- coding:utf-8 -*-
s1=72
s2=85
r=(s2-s1)/s1*100
print('小明成绩提升的百分点是：%.1f%%'%r)
print('小明成绩提升的百分点是：{0:.1f}%'.format(r))
print(f'小明成绩提升的百分点是：{r:.1f}%')
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斜阳漫山红
# !/usr/bin/python
# -*- coding:utf-8 -*-
s1=72
s2=85
r=(s2-s1)/s1*100
print('小明成绩提升的百分点是：%.1f%%'%r)
print('小明成绩提升的百分点是：{0:.1f}%'.format(r))
print(f'小明成绩提升的百分点是：{r:.1f}%')