tableau = [3, 4, 1, 5, 2, 1]
matrice = []
i = 0
for i in range(len(tableau)):
    j = 0
    while len(matrice) > 0 and j < len(matrice) and matrice[j] > tableau[i]:
        j += 1
    matrice.insert(j, tableau[i])

print tableau
print matrice