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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def CreateProductPartition(client, adgroup_id):
 """Creates a ProductPartition tree for the given AdGroup ID. Args: client: an AdWordsClient instance. adgroup_id: a str AdGroup ID. Returns: The ProductPartition tree as a sudsobject. """

  ad_group_criterion_service = client.GetService('AdGroupCriterionService',
                                                 'v201809')
  helper = ProductPartitionHelper(adgroup_id)
  root = helper.CreateSubdivision()

  new_product_canonical_condition = {
      'xsi_type': 'ProductCanonicalCondition',
      'condition': 'NEW'
  }

  used_product_canonical_condition = {
      'xsi_type': 'ProductCanonicalCondition',
      'condition': 'USED'
  }

  other_product_canonical_condition = {
      'xsi_type': 'ProductCanonicalCondition',
  }

  helper.CreateUnit(root, new_product_canonical_condition)
  helper.CreateUnit(root, used_product_canonical_condition)
  helper.CreateUnit(root, other_product_canonical_condition)

  result = ad_group_criterion_service.mutate(helper.operations)
  return result['value']