moveit.commander

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Is the official tutorial insufficient? Have you looked at the package documentation that says "Python interfaces to MoveIt"? These are literally the first two Google results.

Your previous two questions were also answered by a simple Google search. Posting low-effort questions like this does not help other members of the community and is disrespectful of people's time. Please improve them by following the guidelines and asking complete questions that describe in detail what you have tried and what you are stuck on. If you put more effort into documenting your problem, you will find that you can solve it yourself more often than not.