>>> from maxrel import maxims

--ini-enunciat

>>> s = iter([72, 34, 55, 67, 30, 10, 10, -45, -60, 18, 90, 88, 55, 32, 44, 11, 89])
>>> it = maxims(s)
>>> next(it)
67
>>> next(it)
90
>>> next(it)
44
>>> next(it, 'FI')  # l'iterador s'ha exhaurit
'FI'

--fi-enunciat

>>> it = maxims(iter([1, 2, 3, 1, 1, 0, 6, 7, 7, -1, -2, -1, -5, 8, 10, 3]))
>>> for elem in it:
...     print(elem, end=',')
3,-1,10,

>>> it = maxims(iter([5, 0] * 10))
>>> for elem in it:
...     print(elem, end=',')
5,5,5,5,5,5,5,5,5,

>>> def gen1():
...    n = 0
...    while True:
...      yield n
...      n = (n * 100 + 123) % 557

>>> it = maxims(gen1())
>>> for i in range(20):
...     print(next(it), end=',')
313,386,491,357,356,447,509,345,111,239,525,520,284,495,540,510,530,475,499,166,