``` it("kotlin slack") { val m...

# getting-started

[thatadamedwards]

it("kotlin slack") {
            val map = mutableMapOf("fruits" to mutableSetOf("apple", "banana", "orange", "cherry"))

            fun putValueInAppropriateCategory(value: String, key: String, map: MutableMap<String, MutableSet<String>>) {
                map[key]?.plus(mutableSetOf(value))
            }

            putValueInAppropriateCategory("strawberry", "fruits", map)

            map["fruits"].should.contain("strawberry")
        }