code: def create_append_blob_service(self):
          '''
          Creates a AppendBlobService object with the settings specified in the 
          CloudStorageAccount.
  
          :return: A service object.
          :rtype: :class:`~azure.storage.blob.appendblobservice.AppendBlobService`
          '''
          try:
              from azure.storage.blob.appendblobservice import AppendBlobService
              return AppendBlobService(self.account_name, self.account_key,
                                       sas_token=self.sas_token,
                                       is_emulated=self.is_emulated)
          except ImportError:
              raise Exception('The package azure-storage-blob is required. '
                              + 'Please install it using "pip install azure-storage-blob"'f create_append_blob_service(self):
          '''
          Creates a AppendBlobService object with the settings specified in the 
          CloudStorageAccount.
  
          :return: A service object.
          :rtype: :class:`~azure.storage.blob.appendblobservice.AppendBlobService`
          '''
          try:
              from azure.storage.blob.appendblobservice import AppendBlobService
              return AppendBlobService(self.account_name, self.account_key,
                                       sas_token=self.sas_token,
                                       is_emulated=self.is_emulated)
          except ImportError:
              raise Exception('The package azure-storage-blob is required. '
                              + 'Please install it using "pip install azure-storage-blob"')
docs: Creates a AppendBlobService object with the settings specified in the 
          CloudStorageAccount.
  
          :return: A service object.
          :rtype: :class:`~azure.storage.blob.appendblobservice.AppendBlobService`