如何摆脱空间串蟒蛇

代码示例

蟒蛇删除的空白

sentence = ' hello  apple'
sentence.strip()
>>> 'hello  apple'

除额外空间的蟒蛇

>>> import re
>>> re.sub(' +', ' ', 'The     quick brown    fox')
'The quick brown fox'

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给出一个清单包含串的空串，并#没有价值观：返回一个新的清单的相同要素，但#带出(筛选)空串的和没有价值的距离。

怎么删除空值的列表

条empty string蟒蛇

空串名单做