Spotlight archive
Guess the language.
Three lines, six guesses.
MODESpotlight0/6
Spotlight · ?.??
1val totals = orders.groupMapReduce(_.country)(_.amount)(_ + _)
2val top = totals.toSeq.sortBy(-_._2).take(5)
3top.foreach { case (c, amt) => println(s"$c: $amt") }
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