def build_shorthand(deck):
    """creates a list of shorthand notation (Queen of Clubs == qc)"""
    shorthand_list = []
    for card in deck:
        c_lst = card.split()
        val = c_lst[0]
        suit = c_lst[2]
        if val == "10":
            shorthand_list.append(f"{val}{suit[0]}".lower())
        else:
            shorthand_list.append(f"{val[0]}{suit[0]}".lower())
    return shorthand_list