如何在Python中加入两个生成器? [英] How to join two generators in Python?

问题描述

我想更改以下代码

for directory, dirs, files in os.walk(directory_1):
    do_something()

for directory, dirs, files in os.walk(directory_2):
    do_something()

此代码:

for directory, dirs, files in os.walk(directory_1) + os.walk(directory_2):
    do_something()

我得到了错误:

+不支持的操作数类型:'generator'和'generator'

unsupported operand type(s) for +: 'generator' and 'generator'

如何在Python中加入两个生成器?

How to join two generators in Python?

推荐答案

我认为 itertools.chain() 应该这样做.

I think itertools.chain() should do it.

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