def get_recommend_portfolio(risk_level):
    """
    Returns the investment percentages, based on risk_level:
        * **none:** "100% bonds (AGG), 0% equities (SPY)"
        * **low:** "60% bonds (AGG), 40% equities (SPY)"
        * **medium:** "40% bonds (AGG), 60% equities (SPY)"
        * **high:** "20% bonds (AGG), 80% equities (SPY)"
    """
    # Choose risk levels from None, Low, Medium or High (all are not case insensitive) from the user.
    recommend_portfolio = ""
    if risk_level.lower() == "none":
        recommend_portfolio = "100% bonds (AGG), 0% equities (SPY)"
    elif risk_level.lower() == "low":
        recommend_portfolio = "60% bonds (AGG), 40% equities (SPY)"
    elif risk_level.lower() == "medium":
        recommend_portfolio = "40% bonds (AGG), 60% equities (SPY)"
    elif risk_level.lower() == "high":
        recommend_portfolio = "20% bonds (AGG), 80% equities (SPY)"
        
    return recommend_portfolio