code: def update_policy_configuration(self, configuration, project, configuration_id):
          
          route_values = {}
          if project is not None:
              route_values['project'] = self._serialize.url('project', project, 'str')
          if configuration_id is not None:
              route_values['configurationId'] = self._serialize.url('configuration_id', configuration_id, 'int')
          content = self._serialize.body(configuration, 'PolicyConfiguration')
          response = self._send(http_method='PUT',
                                location_id='dad91cbe-d183-45f8-9c6e-9c1164472121',
                                version='5.0',
                                route_values=route_values,
                                content=content)
          return self._deserialize('PolicyConfiguration', response)
docs: UpdatePolicyConfiguration.
          Update a policy configuration by its ID.
          :param :class:`<PolicyConfiguration> <azure.devops.v5_0.policy.models.PolicyConfiguration>` configuration: The policy configuration to update.
          :param str project: Project ID or project name
          :param int configuration_id: ID of the existing policy configuration to be updated.
          :rtype: :class:`<PolicyConfiguration> <azure.devops.v5_0.policy.models.PolicyConfiguration>`