searchengine - rank

# prompt the user with "Enter Search Term: " and collect their input
searchterm = input('Enter Search Term: ')

# list of relevant search results
matches = []
# for each document, calculate its relevance to the search term
for i in range(len(index)):
    relation = v.relation(v.concordance(searchterm.lower()), index[i])
    if relation != 0:
        matches.append((relation, documents[i][:100]))

# sort matches in descending order (most relevant first)
matches.sort(reverse=True)

for i in matches:
    print (i[0],i[1])