def trim(s): ll = len(s) if ll != 0: for i in range(0,ll): if s[i] == ' ': a = i continue else: a = i break for i in range(-1,-ll,-1): if s[i:] == ' ': continue else: b = i if b == -1: b = ll break return (s[a:b]) else: return (s)
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茹古涵今71749
def trim(s): ll = len(s) if ll != 0: for i in range(0,ll):
if s[i] == ' ': a = i continue else: a = i break for i in range(-1,-ll,-1): if s[i:] == ' ': continue else: b = i if b == -1: b = ll break return (s[a:b]) else: return (s)