samples: add samples for partial list bucket

[Pulkit0110]

Add samples for the partial list bucket feature.

[snippet-bot]

Here is the summary of changes.

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• samples/snippets/storage_list_buckets_partial_success.py:17, tag storage_list_buckets_partial_success

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[gemini-code-assist]

Summary of Changes

Hello @Pulkit0110, I'm Gemini Code Assist¹! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request introduces a new Python sample for Google Cloud Storage. This sample illustrates how to effectively use the list_buckets method with the return_partial_success option, allowing developers to gracefully handle scenarios where some bucket locations might be temporarily unreachable while still retrieving information from accessible ones. This enhances the robustness of applications interacting with Cloud Storage by providing a clear example of how to manage such edge cases.

Highlights

• New Sample Code: A new Python sample storage_list_buckets_partial_success.py has been added to demonstrate how to list Google Cloud Storage buckets with partial success handling.
• Partial Success Handling: The sample showcases the use of return_partial_success=True in storage_client.list_buckets() to identify and process both reachable buckets and unreachable locations.

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[gemini-code-assist]

Code Review

This pull request adds a new sample for the partial list bucket feature. The code is clear and effectively demonstrates how to use this functionality. I have one suggestion to simplify the condition for checking unreachable locations, which will make the sample code more concise and idiomatic.