>>> from aparents import calcula_suma_aparents

--ini-enunciat

>>> for x in calcula_suma_aparents(iter([1,3,2,2,1,1,10,5,1,3,2])):
...    print(x,end=',')
1,3,4,6,11,
>>> it = iter([1,1,2,3,4,5,6,7,8,9,1])
>>> it2 = calcula_suma_aparents(it)
>>> for x in it2:
...    print(x,end=',')
1,10,

--fi-enunciat


>>> it = iter([20,10,5,4,4,4,4,2,1])
>>> it2 = calcula_suma_aparents(it)
>>> for x in it2:
...    print(x,end=',')   
2,4,5,6,7,9,11,
>>> it = iter([1]*20)
>>> it2 = calcula_suma_aparents(it)
>>> for x in it2:
...    print(x,end=',')   
1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,
>>> m = [18, 2, 16,4, 14,2, 12,1, 10,10,2, 8,3, 6, 3, 4, 2, 1]
>>> it = iter(m)
>>> it2 = calcula_suma_aparents(it)
>>> for x in it2:
...    print(x,end=',')   
9,13,20,32,33,38,40,42,44,