def filter_ships(ships, exclude_owner):
    """
    Get a list of all space ships alive wihout these of a specifique owner.
     
    Parameters
    ----------
    ships: list of ships to filter (list(dic)).
    exclude_owner: owner to exclude from the list (str).
    
    Return
    ------
    ships: filtered ships (list(str)).
    
    Version
    -------
    Specification:  Nicolas Van Bossuyt (v1. 28/04/17)
    Implementation: Nicolas Van Bossuyt (v1. 28/04/17)
    """
    founded_ships = []
    for ship in ships:
        if ships[ship]['owner'] != exclude_owner:
            founded_ships.append(ship)

    return founded_ships