def trim(s):
if s=='':
return s
while s[0]==' ':
s=s[1:]
while s[-1]==' ':
s=s[:-1]
Sign in to make a reply
神仙下凡嘍
def trim(s):
if s=='':
return s
while s[0]==' ':
s=s[1:]
while s[-1]==' ':
s=s[:-1]
return s