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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 bind_target(self, target, ctx=None):
 """Bind self annotation to target. :param target: target to annotate. :param ctx: target ctx. :return: bound target. """


        # process self _bind_target
        result = self._bind_target(target=target, ctx=ctx)

        # fire on bind target event
        self.on_bind_target(target=target, ctx=ctx)

        return result