#! /usr/bin/env python2
# -*- coding: utf-8 -*-

lst = [20, 46, -51, 35, -72, 51, 90, -92, -12, -1]

def selection_sort(lst):
    # A FAIRE : tri par selection du minimum
    raise NotImplementedError

print 'before: ', lst
selection_sort(lst)
print 'after: ', lst