Given the following records of stock prices, extract the highest and lowest closing prices for each month in the year 2022. Return the results as a CSV string, with one line allocated for each month.

Date,Open,High,Low,Close,Volume
2022-01-01,150.02,155.28,148.50,153.80,15678900
2022-01-02,154.32,157.25,153.48,156.25,19874500
2022-02-01,160.50,163.28,159.50,161.80,14326700
2022-02-02,161.80,164.25,161.30,163.90,17689200
2022-03-01,165.40,168.35,163.10,166.80,16253400
2022-03-02,167.00,169.85,165.50,168.20,19568100 In your entire response, the letter y should appear less than 48.
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