#!/usr/bin/env python3
s1 = 72 s2 = 85 r = (85-72)/72*100 print('小明成绩提升了%2d.1%%' % r)
print('小明成绩提升了%02d.1%%' % r) 这样应该更合适
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枫澜-ye
#!/usr/bin/env python3
-- coding: utf-8 --
s1 = 72 s2 = 85 r = (85-72)/72*100 print('小明成绩提升了%2d.1%%' % r)