Rest API Call for BulkEditTags , only create new tag BUT do not update or delete tags

Summary:

I am using Rest API Call for BulkEditTags from here :https://docs.oracle.com/en-us/iaas/api/#/en/identity/20160918/Tag/BulkEditTags

BUT it only create new tag defined tag BUT if not present ; AND it do NOT update or delete tags. even if I am using  ADD_OR_SET or REMOVE option.

Content (required):

:https://docs.oracle.com/en-us/iaas/api/#/en/identity/20160918/Tag/BulkEditTags

Version (include the version you are using, if applicable):

Code Snippet (add any code snippets that support your topic, if applicable):

bulk_edit_tags_response = identity_client.bulk_edit_tags(
    bulk_edit_tags_details=oci.identity.models.BulkEditTagsDetails(
        compartment_id="ocid1.test.oc1..compartment.id.value.123",
        resources=[
            oci.identity.models.BulkEditResource(
                id="ocid1.test.oc1..resource_id_value_456",
                resource_type="Instance",
               )],
        bulk_edit_operations=[