Best Python code snippet using localstack_python
sns_listener.py
Source:sns_listener.py  
...380    tags = [381        tag for idx, tag in enumerate(tags)382        if tag not in tags[:idx]383    ]384    def existing_tag_index(item):385        for idx, tag in enumerate(existing_tags):386            if item['Key'] == tag['Key']:387                return idx388        return None389    for item in tags:390        existing_index = existing_tag_index(item)391        if existing_index is None:392            existing_tags.append(item)393        else:394            existing_tags[existing_index] = item395    SNS_TAGS[topic_arn] = existing_tags396def do_untag_resource(topic_arn, tag_keys):397    SNS_TAGS[topic_arn] = [t for t in _get_tags(topic_arn) if t['Key'] not in tag_keys]398# ---------------399# HELPER METHODS400# ---------------401def get_subscription_by_arn(sub_arn):402    # TODO maintain separate map instead of traversing all items403    for key, subscriptions in SNS_SUBSCRIPTIONS.items():404        for sub in subscriptions:...Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.
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