只是一个空格,还是所有连续的空格?如果是第二个,则字符串已经具有.strip()
方法:
>>> ' Hello '.strip()
'Hello'
>>> ' Hello'.strip()
'Hello'
>>> 'Bob has a cat'.strip()
'Bob has a cat'
>>> ' Hello '.strip() # ALL consecutive spaces at both ends removed
'Hello'
def strip_one_space(s):
if s.endswith(" "): s = s[:-1]
if s.startswith(" "): s = s[1:]
return s
>>> strip_one_space(" Hello ")
' Hello'
另外,请注意,str.strip()
它也会删除其他空白字符(例如,制表符和换行符)。要仅删除空格,您可以指定要删除的字符作为的参数strip
,即:
>>> " Hello\n".strip(" ")
'Hello\n'