diff --git a/Week03/pyramid_first_last.py b/Week03/pyramid_first_last.py
new file mode 100644
index 00000000..4f749892
--- /dev/null
+++ b/Week03/pyramid_first_last.py
@@ -0,0 +1,18 @@
+def calculate_pyramid_height(number_of_blocks):
+    """
+    This function calculates the height of a pyramid
+    given the number of blocks available.
+    
+    A pyramid has 1 block at top, 2 blocks in second row,
+    3 blocks in third row, etc.
+    
+    Returns the maximum height that can be built.
+    """
+    height = 0
+    total_blocks_used = 0
+    
+    while total_blocks_used + (height + 1) <= number_of_blocks:
+        height += 1
+        total_blocks_used += height
+    
+    return height