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张琨的小窝

#1 Created at ... [Delete] [Delete and Lock User]

-- coding: utf-8 --

#def trim(s): start = 0 end = len(s) for i in range(len(s)): if s[:i] == ' ' i: start = i if s[i:] == ' '(len(s) - i): end = i break return s[start: end]

张琨的小窝

#2 Created at ... [Delete] [Delete and Lock User]

-- coding: utf-8 --

  1. def trim(s):
  2. start = 0
  3. end = len(s)
  4. for i in range(len(s)):
  5. if s[:i] == ' '* i:
  6. start = i
  7. if s[i:] == ' '*(len(s) - i):
  8. end = i
  9. break
  10. return s[start: end]
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