color  shape    flag  k  index quantity    rate
red    square   false 6  64    77.19910000 9.53100000
purple triangle false 7  65    80.14050000 5.82400000
yellow circle   true  8  73    63.97850000 4.23700000
yellow circle   true  9  87    63.50580000 8.33500000
purple square   false 10 91    72.37350000 8.24300000