def exp_points(df):
    """
    Calculates expected points for home and away team
    """
    df["H_Pts_Exp"] = 3 * df["H_prob_odds"] + 1 * df["D_prob_odds"]
    df["A_Pts_Exp"] = 3 * df["A_prob_odds"] + 1 * df["D_prob_odds"]
    return df