Programme chap4_classe_1615_.py

# coding: latin-1
import copy
l  = [ [i] for i in range(0,3)]
ll = copy.deepcopy (l)
print l, "  -  ", ll    # affiche [[0], [1], [2]]   -   [[0], [1], [2]]
ll [0][0] = 6
print l, "  -  ", ll    # affiche [[0], [1], [2]]   -   [[6], [1], [2]]