code: def _is_valid_request(
      Namespace,
      MetricName,
      Dimensions,
      StartTime,
      EndTime,
      Period,
      Statistics,
  ):
      could_watch_request = {
          "Namespace": Namespace,
          "MetricName": MetricName,
          "Dimensions": Dimensions,
          "StartTime": StartTime,
          "EndTime": EndTime,
          "Period": Period,
          "Statistics": Statistics,
      }
      print(could_watch_request)
      return could_watch_request == cw_request()
  
imports: from __future__ import absolute_import
  import datetime
  import os
  import uuid
  import pytest
  from mock import Mock
  from sagemaker.analytics import AnalyticsMetricsBase, HyperparameterTuningJobAnalytics, TrainingJobAnalytics
  from sagemaker.session_settings import SessionSettings
label_desc: Use image node_id 4 for calling a global function with example usage: _is_valid_request(Namespace, MetricName, Dimensions, StartTime, EndTime, Period, Statistics) and returns: unknown