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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_related_galleries(gallery, count=5):
 """ Gets latest related galleries from same section as originating gallery. Count defaults to five but can be overridden. Usage: {% get_related_galleries gallery <10> %} """

    # just get the first cat. If they assigned to more than one, tough
    try:
        cat = gallery.sections.all()[0]
        related = cat.gallery_categories.filter(published=True).exclude(id=gallery.id).order_by('-id')[:count]
    except:
        related = None
    return {'related': related, 'MEDIA_URL': settings.MEDIA_URL}