old_contents: # Copyright 2017 Google Inc.
  #
  # Licensed under the Apache License, Version 2.0 (the "License");
  # you may not use this file except in compliance with the License.
  # You may obtain a copy of the License at
  #
  #     http://www.apache.org/licenses/LICENSE-2.0
  #
  # Unless required by applicable law or agreed to in writing, software
  # distributed under the License is distributed on an "AS IS" BASIS,
  # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  # See the License for the specific language governing permissions and
  # limitations under the License.
  
  # [START monitoring_quickstart]
  from google.cloud import monitoring
  
  
  def run_quickstart():
      client = monitoring.Client()
  
      resource = client.resource(
          type_='gce_instance',
          labels={
              'instance_id': '1234567890123456789',
              'zone': 'us-central1-f',
          }
      )
  
      metric = client.metric(
          type_='custom.googleapis.com/my_metric',
          labels={}
      )
  
      client.write_point(metric, resource, 3.14)
      print('Successfully wrote time series.')
  # [END monitoring_quickstart]
  
  
  if __name__ == '__main__':
      run_quickstart()
  
new_contents: # Copyright 2017 Google Inc.
  #
  # Licensed under the Apache License, Version 2.0 (the "License");
  # you may not use this file except in compliance with the License.
  # You may obtain a copy of the License at
  #
  #     http://www.apache.org/licenses/LICENSE-2.0
  #
  # Unless required by applicable law or agreed to in writing, software
  # distributed under the License is distributed on an "AS IS" BASIS,
  # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  # See the License for the specific language governing permissions and
  # limitations under the License.
  
  
  def run_quickstart():
      # [START monitoring_quickstart]
      from google.cloud import monitoring
  
      client = monitoring.Client()
  
      resource = client.resource(
          type_='gce_instance',
          labels={
              'instance_id': '1234567890123456789',
              'zone': 'us-central1-f',
          }
      )
  
      metric = client.metric(
          type_='custom.googleapis.com/my_metric',
          labels={}
      )
  
      # Default arguments use endtime datetime.utcnow()
      client.write_point(metric, resource, 3.14)
      print('Successfully wrote time series.')
      # [END monitoring_quickstart]
  
  
  if __name__ == '__main__':
      run_quickstart()
  
subject: Update monitoring region tags (#830)