diff --git a/Week03/pyramid_sekip_yaman_arslan.py b/Week03/pyramid_sekip_yaman_arslan.py
new file mode 100644
index 00000000..5bf0c551
--- /dev/null
+++ b/Week03/pyramid_sekip_yaman_arslan.py
@@ -0,0 +1,14 @@
+def calculate_pyramid_height(number_of_blocks):
+    height = 0
+    blocks_used = 0
+    counter = 1
+    while blocks_used < number_of_blocks:
+        blocks_used += counter
+        if blocks_used == number_of_blocks:
+            height = counter
+            break
+        elif blocks_used > number_of_blocks:
+            height = counter - 1
+            break
+        counter += 1
+    return height