>>> import AlgLinModule
>>> n = 5
>>> C = AlgLinModule.alglin()
>>> v = C.create_vector(n)
>>> print "v =", v
v = <C vecteur instance>
>>> print "v.n =", v.n()
v.n = 5
>>> x = v.x()
>>> print x
_811a160_double_p
>>> print x[4]
a
>>> print type(x)
<type 'string'>