def file_to_wordlist(filename):
    f = open(filename, 'r')
    words = []
    for line in f:
        # make lowercase
        line = line.lower()
        # strip punctuation
        line = line.replace(";", " ").replace(".", " ").replace(",", " ").replace("-", " ").replace(":", " ")
        words.extend(line.split(" "))

    return words

def print_sorted_by_frequency(frequncy):
    sorted_frequency = sorted(frequency.items(), key=lambda item: -item[1])
    for key_value in sorted_frequency:
        print(key_value)


words = file_to_wordlist("constitution.txt")

frequency = {}
for word in words:
    if(len(word) > 4):
        if word not in frequency:
            frequency[word] = 0
        frequency[word] += 1

print_sorted_by_frequency(frequency)