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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 context(self, name, ctx):
 """ Execute the block with the given context applied. This manager ensures that the context is removed even if an exception is raised within the context. """

        self.enter_context(name, ctx)
        try:
            yield
        finally:
            self.exit_context(name)