WordCounterVer1.1

def nice_print(li):
    for i in li:
        print i[1][0] , i[0] ,
        for num in i[1][1:]:
            print num,
        print

def count_words(filename):
    fin = open(filename, 'r')
    lines = fin.readlines()

    d = {}

    #count word and line
    for line in lines:
        line_number = lines.index(line) + 1
        for w in line.split():
            lower = w.lower()
            if lower in d:
                d[lower][0] += 1
            else:
                                d[lower] = [1]
            if line_number not in d[lower][1:]:
                d[lower].append(line_number)

    #sort by desc frequency, then by asc word
    sorted_d = sorted(d.iteritems() , key = lambda x: (x[1][0] * -1, x[0]))
    nice_print(sorted_d)