#!/usr/bin/python
# -*- coding: utf-8 -*-
# this is a shebang: https://en.wikipedia.org/wiki/Shebang_%28Unix%29

'''
This script takes a sentence you write in the terminal, and gives it back in alphabetical order
A list is ordered and changeable. It is less efficient than a set/tuple. But it allows to work with index numbers.
Check out other options for list comprehension: https://docs.python.org/3/tutorial/datastructures.html
Made for OLA #5, Paris, 15-17 décembre 2017
'''

# Ask to write a sentence
sentence = "Unless we can begin to embody the notion of change in the words we use, we will continue to be lost"
# print sentence
print("phrase originale:", sentence)

# Split sentence into words
words = sentence.lower().split()
print(words)

uniquewords = set(words)
print (uniquewords)
# sort words of list
uniquewords.sort()
print(uniquewords)

# print sorted wordlist as string
print("phrase alphabétique:", " ".join(words).capitalize(), '.')