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event_funnel_by_group = logs_new.pivot_table(index='event_name', 
                                             columns='group',
                                             values='device_id', 
                                             aggfunc=pd.Series.nunique)\
                                .reset_index()
event_funnel_by_group['all'] = event_funnel_by_group[246] + event_funnel_by_group[247] + event_funnel_by_group[248]
event_funnel_by_group = event_funnel_by_group.drop(event_funnel_by_group[event_funnel_by_group['event_name'] == 'Tutorial'].index, inplace=True)
event_funnel_by_group = event_funnel_by_group.sort_values(by ='all', ascending=False).reset_index()