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Python中splitlines()方法的使用简介

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Release: 2016-06-06 11:16:42
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 splitlines()方法返回一个字符串的所有行,可选包括换行符列表(如果num提供,则为true)
语法

以下是splitlines()方法的语法:

str.splitlines( num=string.count('\n'))

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参数

  • num -- 这是任何数,如果存在它会被认为换行需要被包括行数。

返回值

如果找到匹配的字符串此方法返回true,否则为false。
例子

下面的例子显示splitlines()方法的使用。

#!/usr/bin/python

str = "Line1-a b c d e f\nLine2- a b c\n\nLine4- a b c d";
print str.splitlines( );
print str.splitlines( 0 );
print str.splitlines( 3 );
print str.splitlines( 4 );
print str.splitlines( 5 );

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当我们运行上面的程序,它会产生以下结果:

['Line1-a b c d e f', 'Line2- a b c', '', 'Line4- a b c d']
['Line1-a b c d e f', 'Line2- a b c', '', 'Line4- a b c d']
['Line1-a b c d e f\n', 'Line2- a b c\n', '\n', 'Line4- a b c d']
['Line1-a b c d e f\n', 'Line2- a b c\n', '\n', 'Line4- a b c d']
['Line1-a b c d e f\n', 'Line2- a b c\n', '\n', 'Line4- a b c d']

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