diff --git a/README.md b/README.md
index 6bae9df..67d0b56 100644
--- a/README.md
+++ b/README.md
@@ -9,6 +9,9 @@
 [![alt text][InstagramIcon]][Instagram]
 [![alt text][TelegramIcon]][Telegram]
 
+### #171 Kotlin Average Usage
+![alt text](/screenshots/Average.png)
+
 ### #170 View Visiblity Extensions
 ![alt text](/screenshots/ViewVisiblityExt.png)
 
diff --git a/codes/Average.kt b/codes/Average.kt
new file mode 100644
index 0000000..5c3cf9a
--- /dev/null
+++ b/codes/Average.kt
@@ -0,0 +1,7 @@
+val list = arrayListOf<Double>(2.0, 3.0, 7.0)
+var average = 0
+list.forEach{
+    average += it.toInt()
+}
+println(average/list.size) // 4
+println(list.average().toInt()) // 4
\ No newline at end of file
diff --git a/screenshots/Average.png b/screenshots/Average.png
new file mode 100644
index 0000000..bc5c7c9
Binary files /dev/null and b/screenshots/Average.png differ