python里面url太长怎么办。

尝试了三种换行方法,\换行会出现如下错误
三引号也不行,只有括号可以,这是为什么?

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字符串可以用\换行,但后面几行要顶格。否则会加进去空格或者制表符的:

url = 'http://www.dffdasfkldsaf.com/dljflddjfkdf\
kdljfsjkfdshjkfhdsj\
fkldsjdfkldsjkfldjs\
adklajfk.htm'
>>> url
'http://www.dffdasfkldsaf.com/dljflddjfkdfkdljfsjkfdshjkfhdsjfkldsjdfkldsjkfldjsadklajfk.htm'