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# Module: `nbformat.convert`

API for converting notebooks between versions.

Authors:

- Jonathan Frederic

## 1 Function

`IPython.nbformat.convert.``convert`(nb, to_version)

  Convert a notebook node object to a specific version. Assumes that all the versions starting from 1 to the latest major X are implemented. In other words, there should never be a case where v1 v2 v3 v5 exist without a v4. Also assumes that all conversions can be made in one step increments between major versions and ignores minor revisions.

  Parameters :

  nb : NotebookNode

  to_version : int

  > Major revision to convert the notebook to. Can either be an upgrade or a downgrade.

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