@pysnooper.snoop()
def trim(s):
if s == '':
return s
while s[0] == ' ':
s = s[1:]
if s == ' ':
return ''
while s[-1] == ' ':
s = s[:-1]
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我只爱喝冬瓜茶
@pysnooper.snoop()
def trim(s):
if s == '':
return s
while s[0] == ' ':
s = s[1:]
if s == ' ':
return ''
while s[-1] == ' ':
s = s[:-1]
return s