Add function to calculate pyramid height

Author: gamzeklnc

Week03/pyramid_gamze_kilinc.py

@@ -0,0 +1,9 @@
+def calculate_pyramid_height(number_of_blocks):
+    height = 0
+    used_blocks = 0
+
+    while used_blocks + (height + 1) <= number_of_blocks:
+        height += 1
+        used_blocks += height
+
+    return height