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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def is_kernel_driver_active(self, interface):
 r"""Determine if there is kernel driver associated with the interface. If a kernel driver is active, the object will be unable to perform I/O. The interface parameter is the device interface number to check. """

        self._ctx.managed_open()
        return self._ctx.backend.is_kernel_driver_active(
                self._ctx.handle,
                interface)