为啥总是错啊？？
Topic source
def trim(s):
if s==[]:
s=''
return s
elif s[0]==' ':
s=s[1:]
return trim(s)
elif s[-1]==' ':
s=s[:-1]
return trim(s)
else:
return s
安排了^_^
- 1
def trim(s):
if s==[]:
s=''
return s
elif s[0]==' ':
s=s[1:]
return trim(s)
elif s[-1]==' ':
s=s[:-1]
return trim(s)
else:
return s
安排了^_^
用户5639235042
def trim(s):
if s==[]:
s=''
return s
elif s[0]='':
s=s[1:]
return trim(s)
elif s[-1]=='':
s=s[:-1]
return trim(s)
else:
return s