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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 delete(self):
 """Delete a Jupyterhub."""

        # Delete the Helm Release
        out = helm(
            "delete",
            self.release,
            "--purge"
        )
        if out.returncode != 0:
            print(out.stderr)
        else:
            print(out.stdout)

        # Delete the Kubernetes namespace
        out = kubectl(
            "delete",
            "namespace",
            self.namespace
        )
        if out.returncode != 0:
            print(out.stderr)
        else:
            print(out.stdout)