kotlin jupyter lets plot simple line and bar charts

example.kt

%useLatestDescriptors
%use lets-plot
%use krangl

val m = mapOf<String,List<Int>>("x" to listOf(1,2,3), "y" to listOf(3,4,3))
val p = letsPlot(m) + theme(axisTitleX="blank")
val plot = p + 
    geomBar(color="#579673", stat = Stat.identity) {
       x = "x"
       y = "y"
    } +
    geomLine(color="red") {
       x = "x"
       y = "y"
    } + 
 
    ggsize(750, 300)
plot