diff --git a/kotlinstudy/collections/List.kt b/kotlinstudy/collections/List.kt
new file mode 100644
index 0000000..de311e7
--- /dev/null
+++ b/kotlinstudy/collections/List.kt
@@ -0,0 +1,19 @@
+package kotlinstudy.collections
+
+fun main() {
+    val readOnlyShapes = listOf("triangle", "square", "circle")
+    println(readOnlyShapes)
+
+    println("The 1st item in the list `readOnlyShapes` is: ${readOnlyShapes[0]}")
+    println("The last item in the list `readOnlyShapes` is: ${readOnlyShapes.last()}")
+    println("The list `readOnlyShapes` has ${readOnlyShapes.count()} items")
+    println("circle" in readOnlyShapes)
+
+    val shapes: MutableList<String> = mutableListOf("triangle", "square", "circle")
+    println(shapes)
+    shapes.add("pentagon")
+    println(shapes)
+    shapes.remove("circle")
+    println(shapes)
+
+}
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