diff --git a/Week03/pyramid_kerimcan_dede.py b/Week03/pyramid_kerimcan_dede.py
new file mode 100644
index 00000000..52831cd9
--- /dev/null
+++ b/Week03/pyramid_kerimcan_dede.py
@@ -0,0 +1,8 @@
+def calculate_pyramid_height(number_of_blocks):
+    height = 0
+    needed_block = 1
+    while number_of_blocks >= needed_block:
+        height = height + 1
+        number_of_blocks = number_of_blocks - needed_block
+        needed_block = needed_block + 1
+    return height