| import org.jetbrains.kotlinx.dataframe.* | |
| import org.jetbrains.kotlinx.dataframe.annotations.* | |
| import org.jetbrains.kotlinx.dataframe.api.* | |
| import org.jetbrains.kotlinx.dataframe.io.* | |
| fun box(): String { | |
| val df = listOf(1, 2, 3).toDataFrame { | |
| add("values") { it.toString() } | |
| } | |
| val str: String = df[0].values | |
| return "OK" | |
| } |