13 lines
262 B
Python
13 lines
262 B
Python
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from typing import Optional
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class Strings(object):
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@staticmethod
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def is_not_empty(s: Optional[str]) -> bool:
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return not Strings.is_empty(s)
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@staticmethod
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def is_empty(s: Optional[str]) -> bool:
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return s is None or len(s) == 0
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