diff --git a/Week03/pyramid_mustafa_kilic b/Week03/pyramid_mustafa_kilic
new file mode 100644
index 00000000..add3420d
--- /dev/null
+++ b/Week03/pyramid_mustafa_kilic
@@ -0,0 +1,10 @@
+def calculate_pyramid_height(number_of_blocks):
+    height = 0
+    i = 1
+
+    while number_of_blocks >= i:
+        number_of_blocks -= i
+        height += 1
+        i += 1
+
+    return height