diff --git a/Week03/pyramid_sema_erol.py b/Week03/pyramid_sema_erol.py
new file mode 100644
index 00000000..0817100b
--- /dev/null
+++ b/Week03/pyramid_sema_erol.py
@@ -0,0 +1,11 @@
+def calculate_pyramid_height(number_of_blocks):
+    height = 0
+    blocks_used = 0
+    level = 1
+    
+    while blocks_used + level <= number_of_blocks:
+        blocks_used += level
+        height += 1
+        level += 1
+    
+    return height