FAQ === .. contents:: :local: How can I get the nth element of results in service api methods? ---------------------------------------------------------------- Use slices:: # Get second result account = api.Account.list().all()[1:].first() How can I execute a large number of queries? -------------------------------------------- Today `ambra-sdk` does not support `bundled calls` where multiple queries can be run in one request. The following is possible, however: This `gist `_ shows some example of using `bundled calls` api with multithreading If `bundled calls` opportunity is important for you feel free to create an issue in `GitHub `_. What is the difference between :py:meth:`api.Study.duplicate` and :py:meth:`api.Addon.Study.duplicate_and_get` methods ? ------------------------------------------------------------------------------------------------------------------------ The first method is `AmbraHealth API` async method. It gets your task and starts the study duplication in the background. The second method creates a study duplication task and waits for a new duplicated study. This is async method.