提取html网页被空格或者换行符包含的字符串

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								D
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2. join()方法+split()方法

join可以将列表每个字符通过前字符串进行拼接，split可以将字符串按指定规则进行切割生成一个新的列表，不传参默认按空格切割

a = " a b c "

b = a.split() # 字符串按空格分割成列表 b的结果： [‘a’, ‘b’, ‘c’]

c = “”.join(b) # 使用一个空字符串合成列表内容生成新的字符串

c

‘abc’

快捷用法

a = " a b c "

“”.join(a.split())

‘abc’