text: #!/usr/bin/env python
  #
  # Copyright 2016 Google Inc. All Rights Reserved.
  #
  # 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.
  """This example gets all ad unit sizes.
  """
  
  # Import appropriate modules from the client library.
  from googleads import ad_manager
  
  
  def main(client):
    # Initialize appropriate service.
    ad_unit_size_service = client.GetService(
        'InventoryService', version='v202105')
  
    # Create a statement to select ad unit sizes.
    statement = ad_manager.StatementBuilder(version='v202105')
  
    # Retrieve a small amount of ad unit sizes at a time, paging
    # through until all ad unit sizes have been retrieved.
    response = ad_unit_size_service.getAdUnitSizesByStatement(
        statement.ToStatement())
    if response:
      for ad_unit_size in response:
        # Print out some information for each ad unit size.
        if 'fullDisplayString' in ad_unit_size:
          print('Ad unit size with dimensions "%s" was found.\n' %
                (ad_unit_size['fullDisplayString']))
  
  
  if __name__ == '__main__':
    # Initialize client object.
    ad_manager_client = ad_manager.AdManagerClient.LoadFromStorage()
    main(ad_manager_client)
  