def get_colored_list(input_list, color_vals=('c2', 'c1')):
    """
    Get a list with every element sequentially colored using
    the given color valus. 
    """
    output_list = []
    for i, data in enumerate(input_list):
        color = color_vals[i%len(color_vals)]
        if type(data) in (list,tuple):
            colored_data = list(data) + [color]
        else:
            colored_data = (data, color)
        output_list.append(colored_data)
    return output_list