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Cyslyinmo

#1 Created at ... [Delete] [Delete and Lock User]

r = ((s2-s1) / s1 *100)

print(f'小明成绩提升{r:.1f}%')

print('小明成绩提升{0:.1f}%'.format(r))

print('小明成绩提升%.1f%%' %r)

叶之荣耀

#2 Created at ... [Delete] [Delete and Lock User]

print('小明成绩提升%.1f%%' %r) 这个%.1f%这一段是保留小数 后面就不明白了

cktlee_312

#3 Created at ... [Delete] [Delete and Lock User]

%.1f 这个表示一位小数输出.  后面%%就显示%号的. %本来是个变量符号, 要用回他本身就要用%%, 上面 有说的啊.  再后面的%r, 是引用r变量.

养猫的毛毛君

#4 Created at ... [Delete] [Delete and Lock User]

感谢，原来是这样的，自己学的太马虎了

fringe-the-end

#5 Created at ... [Delete] [Delete and Lock User]

好家伙，全用上了

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