<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def get_metrics(self, name=None):
 """Get metrics for this operator. Args: name(str, optional):
 Only return metrics matching `name`, where `name` can be a regular expression. If `name` is not supplied, then all metrics for this operator are returned. Returns: list(Metric):
 List of matching metrics. Retrieving a list of metrics whose name contains the string "temperatureSensor" could be performed as followed Example: """

        return self._get_elements(self.metrics, 'metrics', Metric, name=name)