diff --git a/Week03/pyramid_sedat_celik.py b/Week03/pyramid_sedat_celik.py
new file mode 100644
index 00000000..9edacc5b
--- /dev/null
+++ b/Week03/pyramid_sedat_celik.py
@@ -0,0 +1,8 @@
+def calculate_pyramid_height(number_of_blocks):
+    height = 0
+    
+    while number_of_blocks >= height + 1:
+        height += 1
+        number_of_blocks -= height
+    
+    return height