Python基础 · 免费预览

推导式

用一个可读的表达式，从现有数据一次性构建新的列表、字典和集合，循环可以省掉。

1. Overview

Overview

2. Building Lists from Lists

Building Lists from Lists

3. Filtering with Conditions

Filtering with Conditions

4. Dictionary and Set Comprehensions

Dictionary and Set Comprehensions

5. Keeping It Readable

Keeping It Readable

6. Square the Odds

Square the Odds

7. Length Filter

Length Filter

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