def safe_listget(list_, index, default='?'):
    """ depricate """
    if index >= len(list_):
        return default
    ret = list_[index]
    if ret is None:
        return default
    return ret
def safe_listget ( list_ , index , default = '?' ) : if index >= len ( list_ ) : return default ret = list_ [ index ] if ret is None : return default return ret
depricate