Sort a list in python

from Products.CMFCore.utils import getToolByName
portal_catalog = getToolByName(context, 'portal_catalog')
list_unsorted = portal_catalog.searchResults(path = {'query' : '/fuchs-zermatt/'}, Type = 'Product')

list_sorted = []
j = 0

for item in list_unsorted:
    list_sorted.append(item)

for j in range(len(list_sorted)):
        item = list_sorted[j]
        list_sorted[j] = item
        key = item.getObject().getArticleId()
        i = j -1
        while i >= 0 and list_sorted[i].getObject().getArticleId() > key:
            list_sorted[i+1] = list_sorted[i]
            i = i -1
        list_sorted[i+1] = item

return list_sorted