val numbers = listOf("one", "two", "three", "four")
val plusList = numbers + "five"
val minusList = numbers - listOf("three", "four")
println(plusList)
println(minusList)
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let numbers = listOf("one", "two", "three", "four")
let plusList = numbers + "five"
let minusList = numbers - listOf("three", "four")
print(plusList)
print(minusList)
|