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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 get_tunnel(self, tunnel_id):
 """Get information for a tunnel given its ID."""

        method = 'GET'
        endpoint = '/rest/v1/{}/tunnels/{}'.format(
            self.client.sauce_username, tunnel_id)
        return self.client.request(method, endpoint)