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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 load_nb(cls, inline=True):
 """ Loads the plotly notebook resources. """

        from IPython.display import publish_display_data
        cls._loaded = True
        init_notebook_mode(connected=not inline)
        publish_display_data(data={MIME_TYPES['jlab-hv-load']:
                                   get_plotlyjs()})