diff --git a/Week03/pyramid_kadir_yildiz.py b/Week03/pyramid_kadir_yildiz.py
new file mode 100644
index 00000000..80439447
--- /dev/null
+++ b/Week03/pyramid_kadir_yildiz.py
@@ -0,0 +1,10 @@
+def calculate_pyramid_height(blocks_number):
+    height = 0
+
+    for blocks_needed in range(1, blocks_number + 1):
+        if blocks_number < blocks_needed:
+            break
+        blocks_number -= blocks_needed
+        height += 1
+
+    return height