What is the difference in Level 1 and Level 2 marketable securities?
{"Marketable securities": {"Carrying Value": 0, "Level 1": 0, "Level 2": 0, "Level 3": 0, "Total": 0}, "Derivative warrants liabilities": {"Carrying Value": -332222, "Level 1": "$-", "Level 2": "$-", "Level 3": -332222, "Total": -332222}}
level_1_marketable_securities = df["Marketable securities"]["Level 1"]
level_2_marketable_securities = df["Marketable securities"]["Level 2"]
answer = level_1_marketable_securities - level_2_marketable_securities