s1 = 72

s2 = 85

w = s2-s1

r = (85-72)/72*100

#占位符

print('小明的成绩提升了%d分，提升了 %.2f%%' %(w,r) )

#format()函数

print('小明的成绩提升了{0}分,提升了{1:.3f}%'. format(w,r))

#f-string

print(f'小明的成绩提升了{w}分，提高了{r:.2f}%')