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Add python practice
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@@ -40,16 +40,37 @@ One is always on a strange road, watching strange scenery and listening to stran
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1, 10, 4, 2, 9, 2, 34, 5, 9, 8, 5, 0
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```
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### (7)应用1
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### (7) 算法2
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编写一个高效的算法来搜索 m x n 矩阵 matrix 中的一个目标值 target。该矩阵具有以下特性:
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* 每行的元素从左到右升序排列。
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* 每列的元素从上到下升序排列。
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示例:
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现有矩阵 matrix 如下:
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```
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[
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[1, 4, 7, 11, 15],
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[2, 5, 8, 12, 19],
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[3, 6, 9, 16, 22],
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[10, 13, 14, 17, 24],
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[18, 21, 23, 26, 30]
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]
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```
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* 给定 target = 5,返回 true。
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* 给定 target = 20,返回 false。
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### (8)应用1
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做为 Apple Store App 独立开发者,你要搞限时促销,为你的应用生成激活码(或者优惠券),使用 Python 如何生成 200 个激活码(或者优惠券)?
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需要考虑什么是激活码?有什么特性?例如`KR603guyVvR`是一个激活码
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### (8)应用2
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### (9)应用2
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需要把某个目录下面所有的某种类型的文件找到。
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例如把`c:`下面所有的`.dll`文件找到
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### (9)应用3
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### (10)应用3
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你有个目录,里面是程序(假如是C或者是Python),统计一下你写过多少行代码。包括空行和注释,但是要分别列出来。
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@@ -60,4 +81,5 @@ One is always on a strange road, watching strange scenery and listening to stran
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* [PythonExercises](https://github.com/greyli/PythonExercises)
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* [Python Challenge](http://www.pythonchallenge.com)
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* [Python 100例](http://www.runoob.com/python/python-100-examples.html)
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* [Python练习题](https://blog.csdn.net/qq_28356833/article/details/54963342)
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* [Python练习题](https://blog.csdn.net/qq_28356833/article/details/54963342)
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* [python实现 66道算法题](https://blog.csdn.net/u012193416/article/details/79253398)
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