def force_sequence(var, sequence_type=list):
    """
    Returns the given variable as sequence
    If the given variable is list or tuple and sequence_type is different, a conversion will be forced
    :param var: variant
    :return: sequence (tuple || list)
    """
    if type is not list or not tuple:
        sequence_type = list
    if type(var) == list and sequence_type == tuple:
        var = tuple(var)
    if type(var) == tuple and sequence_type == list:
        var = list(var)
    if not type(var) == sequence_type:
        return sequence_type(var)
    return var
