def get_model_shortcode(model_list):
    """
    Get shortcode for the models, passed in as a list of strings
    """
    shortcode_dict = {
        "tuned_localboosting": "tK",
        "tuned_cfsv2pp": "tC",
        "tuned_climpp": "tD",
        "perpp": "L",
        "multillr": "M",
        "tuned_salient2": "tS"
    }
    model_str = ""
    for m in model_list:
        if m in shortcode_dict:
            model_str += shortcode_dict[m] 
        else:
            model_str += m[0].upper()
    return model_str