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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 forwards(apps, schema_editor):
 """ Migrate all 'exhibition' Events to the new 'museum' Event kind. """

    Event = apps.get_model('spectator_events', 'Event')

    for ev in Event.objects.filter(kind='exhibition'):
        ev.kind = 'museum'
        ev.save()