import sys
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if sys.version_info < (3, 9):
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def removesuffix(self, suffix):
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# suffix='' should not call self[:-0].
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if suffix and self.endswith(suffix):
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return self[: -len(suffix)]
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else:
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return self[:]
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def removeprefix(self, prefix):
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if self.startswith(prefix):
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return self[len(prefix) :]
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else:
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return self[:]
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else:
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def removesuffix(self, suffix):
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return self.removesuffix(suffix)
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def removeprefix(self, prefix):
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return self.removeprefix(prefix)
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