["2023-08-02,3281.86,3261.69,3290.82,3252.30,405341499,388952703973.50,1.17,-0.89,-29.26,0.91","2023-08-03,3254.57,3280.46,3280.86,3247.27,384691317,389530671967.10,1.03,0.58,18.77,0.86","2023-08-04,3296.09,3288.08,3315.05,3281.73,470927697,497188089389.30,1.02,0.23,7.62,1.06","2023-08-07,3276.78,3268.83,3276.78,3258.54,360341484,393056934181.50,0.55,-0.59,-19.25,0.81","2023-08-08,3260.72,3260.62,3274.52,3246.67,316520733,355750325340.50,0.85,-0.25,-8.21,0.71","2023-08-09,3251.15,3244.49,3257.08,3240.29,271218538,309778299573.60,0.51,-0.49,-16.13,0.61","2023-08-10,3242.21,3254.56,3257.03,3234.12,287412142,307263291733.20,0.71,0.31,10.07,0.64","2023-08-11,3254.48,3189.25,3254.48,3189.25,330137750,339187129840.70,2.00,-2.01,-65.31,0.74","2023-08-14,3159.71,3178.43,3180.51,3141.66,299840327,322632054396.50,1.22,-0.34,-10.82,0.67","2023-08-15,3180.56,3176.18,3186.23,3147.35,273251922,300827985374.60,1.22,-0.07,-2.25,0.61","2023-08-16,3164.70,3150.13,3176.63,3149.72,281728292,303611332638.40,0.85,-0.82,-26.05,0.63","2023-08-17,3137.35,3163.74,3167.45,3123.25,294692586,320785474107.60,1.40,0.43,13.61,0.66","2023-08-18,3165.10,3131.95,3179.12,3131.95,294390352,320449006936.70,1.49,-1.00,-31.79,0.66","2023-08-21,3125.99,3092.98,3134.96,3092.98,265753423,293721061621.20,1.34,-1.24,-38.97,0.60"]}});
怎么取最后两个,就是2023-08-18 到0.60 这两段
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