fix(guide): simplify directory structure

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Mrugesh Mohapatra
2018-10-16 21:26:13 +05:30
parent f989c28c52
commit da0df12ab7
35752 changed files with 0 additions and 317652 deletions

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---
title: List Extend Method
localeTitle: 列表扩展方法
---
## 列表扩展方法
列表有很多方法您可以通过在python控制台中键入`help(list)`来探索所有这些方法。 其中之一是扩展函数,正如名称所示,通过将列表的所有项(作为参数传递)添加到结尾来扩展列表。
#### 示例用法
```py
cities = ["San Francisco", "Los Angeles", "New York"]
cities_in_texas = ["San Antonio", "Austin", "Dallas"]
cities.extend(cities_in_texas)
print(cities)
```
#### 产量
```
["San Francisco", "Los Angeles", "New York", "San Antonio", "Austin", "Dallas"]
```
#### 更多信息:
可以在[此处](https://docs.python.org/3.6/tutorial/datastructures.html)找到`extend()`的官方文档