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