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技术 2022年11月18日
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在python API中这样解释strip()函数:

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” alt=”” />

声明:s为字符串,rm为要删除的字符序列

s.strip(rm)        删除s字符串中开头、结尾处,位于 rm删除序列的字符

s.lstrip(rm)       删除s字符串中开头处,位于 rm删除序列的字符

s.rstrip(rm)      删除s字符串中结尾处,位于 rm删除序列的字符

注意:

1. 当rm为空时,默认删除空白符(包括’\n’, ‘\r’,  ‘\t’,  ‘ ‘)

例如:

>>> a='   Hello World   '
>>> a
' Hello World '
>>> a.strip()
'Hello World'>>> x='\t\r\npython'
>>> x
'\t\r\npython'
>>> x.strip()
'python'

2.rm删除序列是只要边(开头或结尾)上的字符在删除序列内,就删除掉。

例如:

>>> aString='123love'
>>> aString
'123love'
>>> aString.strip('')
'3love'
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