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347073565@qq.com
2017-12-22 16:47:33 +08:00
parent 1b69364df2
commit f856b62e6f
14 changed files with 42 additions and 40 deletions
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python4/Preface.md
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@@ -4,4 +4,4 @@
# 目录 #
![草根学Python（四） Dict 和 Set](https://user-gold-cdn.xitu.io/2017/6/25/e56136d9dd32653bd7db19de0969e29d)
![草根学Python（四） Dict 和 Set](http://upload-images.jianshu.io/upload_images/2136918-726716aa6ab762fd?imageMogr2/auto-orient/strip%7CimageView2/2/w/1240)

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python4/Set.md
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@@ -79,7 +79,7 @@ print(set1)
因为 set 是一个无序不重复元素集，因此，两个 set 可以做数学意义上的 union(并集), intersection(交集), difference(差集) 等操作。
![set集合运算](https://user-gold-cdn.xitu.io/2017/6/23/9afd2a3081e9d618cc55bf859b545d12)
![set集合运算](http://upload-images.jianshu.io/upload_images/2136918-733b1d1071f772bd?imageMogr2/auto-orient/strip%7CimageView2/2/w/1240)
例子：