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A short description of the issue:

A small code sample that reliably reproduces the issue. The sample should run as-is or with minimal setup, without external dependencies.

What steps will reproduce the problem?
1.

When I type a name in create topics api, if the last character is a spacing character (' ') , a topic is created that cannot be used in the classroom.

=> I think team Google needs to apply trim() to name of create topics api.

2.
3.

What is the expected output? What do you see instead? If you see error messages, please provide them.

Please provide any additional information below, such as number of users impacted, IDs, or whether you have been able to find a workaround.