deftrim(s): ifs[:1] != ' 'ands[-1:] != ' ': returns elifs[:1] == ' ': returntrim(s[1:])else: returntrim(s[:-1])print(trim(" hello "))print(" hello ")
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时间:2021-04-04 09:33:54
deftrim(s): ifs[:1] != ' 'ands[-1:] != ' ': returns elifs[:1] == ' ': returntrim(s[1:])else: returntrim(s[:-1])print(trim(" hello "))print(" hello ")
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2024-07-20