s1 = 72 s2 = 85 r = ((s2-s1)/s1)*100 print('小明的成绩提高了%.1f%%' % r) print('小明的成绩提高了{0:.1f}%%' .format(r))
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日暮归途风萧萧
-- coding: utf-8 --
s1 = 72 s2 = 85 r = ((s2-s1)/s1)*100 print('小明的成绩提高了%.1f%%' % r) print('小明的成绩提高了{0:.1f}%%' .format(r))