<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def disable_metrics_collection(self, as_group, metrics=None):
 """ Disables monitoring of group metrics for the Auto Scaling group specified in AutoScalingGroupName. You can specify the list of affected metrics with the Metrics parameter. """

        params = {'AutoScalingGroupName': as_group}

        if metrics:
            self.build_list_params(params, metrics, 'Metrics')
        return self.get_status('DisableMetricsCollection', params)