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交2

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落汐21

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

s1=72 s2=85 r=(s2-s1)/s1*100 print('%s的成绩提升了%.1f%%'%('小明',r))

和你一样普通

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

为什么%.1f后面要加2个%%

落汐21

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

两个%是转义啊，文中内容有，相当于\这样的

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