diff --git a/Week03/pyramid_yusuf_baris.py b/Week03/pyramid_yusuf_baris.py
new file mode 100644
index 000000000..e372fe543
--- /dev/null
+++ b/Week03/pyramid_yusuf_baris.py
@@ -0,0 +1,10 @@
+def calculate_pyramid_height(number_of_blocks):
+    height = 0
+    blocks_used = 0
+    while blocks_used + (height + 1) ** 2 <= number_of_blocks:
+        height += 1
+        blocks_used += height ** 2
+    return height
+
+
+print(calculate_pyramid_height(14))