Evert dictionaries with tuples.

    Iterates over the list of dictionaries and everts them with their tuple
    values.  For example:

    ``[ { 'a': ( 1, 2, ), }, ]``

    becomes

    ``[ ( { 'a': 1, }, ), ( { 'a', 2, }, ) ]``

    The resulting iterable contains the same number of tuples as the
    initial iterable had tuple elements.  The number of dictionaries is the same
    as the cartesian product of the initial iterable's tuple elements.

    Parameters
    ----------

    :``iterable``: list of dictionaries whose values are tuples

    Return Value(s)
    ---------------

    All combinations of the choices in the dictionaries.

def evert(iterable: Iterable[Dict[str, Tuple]]) -> Iterable[Iterable[Dict[str, Any]]]:
    '''Evert dictionaries with tuples.

    Iterates over the list of dictionaries and everts them with their tuple
    values.  For example:

    ``[ { 'a': ( 1, 2, ), }, ]``

    becomes

    ``[ ( { 'a': 1, }, ), ( { 'a', 2, }, ) ]``

    The resulting iterable contains the same number of tuples as the
    initial iterable had tuple elements.  The number of dictionaries is the same
    as the cartesian product of the initial iterable's tuple elements.

    Parameters
    ----------

    :``iterable``: list of dictionaries whose values are tuples

    Return Value(s)
    ---------------

    All combinations of the choices in the dictionaries.

    '''

    keys = list(itertools.chain.from_iterable([ _.keys() for _ in iterable ]))

    for values in itertools.product(*[ list(*_.values()) for _ in iterable ]):
        yield [ dict(( pair, )) for pair in zip(keys, values) ]