diff --git a/Week03/pyramid_zeynepnur_erten.py b/Week03/pyramid_zeynepnur_erten.py
new file mode 100644
index 00000000..e746c8b0
--- /dev/null
+++ b/Week03/pyramid_zeynepnur_erten.py
@@ -0,0 +1,10 @@
+def calculate_pyramid_height(number_of_blocks):
+    height = 0
+    needed_blocks = 1
+
+    while needed_blocks <= number_of_blocks:
+        height = height + 1
+        number_of_blocks = number_of_blocks - needed_blocks
+        needed_blocks = needed_blocks + 1
+
+    return height