Data commit

Task/Nested-function/Swift/nested-function.swift

@@ -0,0 +1,13 @@
+func makeList(_ separator: String) -> String {
+  var counter = 1
+
+  func makeItem(_ item: String) -> String {
+    let result = String(counter) + separator + item + "\n"
+    counter += 1
+    return result
+  }
+
+  return makeItem("first") + makeItem("second") + makeItem("third")
+}
+
+print(makeList(". "))