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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def get_notebook(note_store, my_notebook):
 """ get the notebook from its name """

        notebook_id = 0
        notebooks = note_store.listNotebooks()
        # get the notebookGUID ...
        for notebook in notebooks:
            if notebook.name.lower() == my_notebook.lower():
                notebook_id = notebook.guid
                break
        return notebook_id