def expand_transition(transition, input_list):
    """Add new (partially) expanded state transition.

    Parameters
    ----------
    transition: list
        Specifies a state transition.
    input_list: list
        List of inputs, where each input is a string.

    Returns
    -------
    list
        New (partially) expanded state transition.

    """
    expanded_transition = list()
    expanded_transition.append(''.join(input_list))
    expanded_transition += transition[1:]
    return expanded_transition