11
Topic source#上面a=i多余
def trim(s):
n = len(s)
for i in range(n):
if ord(s[i]) != 32:
s = s[i:]
break
for i in range(n-1,-1,1):
if ord(s[i]) != 32:
s = s[:i]
break
return s
- 1
虚无书生666
def trim(s): n = len(s) for i in range(n): if ord(s[i]) != 32: a = i s = s[i:] break for i in range(n-1,-1,1): if ord(s[i]) != 32: s = s[:i] break
return s