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python-cookbook #17

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xxg1413 May 16, 2016
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24 changes: 24 additions & 0 deletions Chapter1/Chapter1.md
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##第1章 数据结构和算法

##问题
- 1.1 将序列分解为单独的变量
- 1.2 从任意长度的可迭代对象中分解元素
- 1.3 保存最后N个元素
- 1.4 找到最大或最小的N个元素
- 1.5 实现优先级队列
- 1.6 在字典中将键映射到多个值上
- 1.7 让字典保持有序
- 1.8 与字典有关的计算问题
- 1.9 在两个字典中寻找相同点
- 1.10 从序列中移除重复项并保持元素间顺序不变
- 1.11 对切片命名
- 1.12 找出序列中出现次数最多的元素
- 1.13 通过公共键对字典列表排序
- 1.14 对不原生支持比较操作的对象排序
- 1.15 根据字段将记录分组
- 1.16 筛选序列中的元素
- 1.17 从字典中提权子集
- 1.18 将名称映射到序列的元素中
- 1.19 同时对数据做转换和换算
- 1.20 将对个映射合并为单个映射

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