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Pythonsplitlines使用技巧

来源:动视网 责编:小采 时间:2020-11-27 14:29:23
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Pythonsplitlines使用技巧

Pythonsplitlines使用技巧: 代码如下:mulLine = Hello。 Wellcome to Python's world! There are a lot of interesting things! Enjoy yourself. Thank you! print ''.join(mulLine.splitlines()) print '----------
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导读Pythonsplitlines使用技巧: 代码如下:mulLine = Hello。 Wellcome to Python's world! There are a lot of interesting things! Enjoy yourself. Thank you! print ''.join(mulLine.splitlines()) print '----------


代码如下:


mulLine = """Hello!!!
Wellcome to Python's world!
There are a lot of interesting things!
Enjoy yourself. Thank you!"""

print ''.join(mulLine.splitlines())
print '------------'
print ''.join(mulLine.splitlines(True))


输出结果:
Hello!!! Wellcome to Python's world! There are a lot of interesting things! Enjoy yourself. Thank you!
------------
Hello!!!
Wellcome to Python's world!
There are a lot of interesting things!
Enjoy yourself. Thank you!

利用这个函数,就可以非常方便写一些段落处理的函数了,比如处理缩进等方法。如Cookbook书中的例子:

代码如下:


def addSpaces(s, numAdd):
white = " "*numAdd
return white + white.join(s.splitlines(True))
def numSpaces(s):
return [len(line)-len(line.lstrip( )) for line in s.splitlines( )]
def delSpaces(s, numDel):
if numDel > min(numSpaces(s)):
raise ValueError, "removing more spaces than there are!"
return ' '.join([ line[numDel:] for line in s.splitlines( ) ])
def unIndentBlock(s):
return delSpaces(s, min(numSpaces(s)))

文档

Pythonsplitlines使用技巧

Pythonsplitlines使用技巧: 代码如下:mulLine = Hello。 Wellcome to Python's world! There are a lot of interesting things! Enjoy yourself. Thank you! print ''.join(mulLine.splitlines()) print '----------
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