Add function to calculate pyramid height

Author: yarenzgr

Week03/pyramid_yaren_ozgur.py

@@ -0,0 +1,7 @@
+def calculate_pyramid_height(number_of_blocks):
+    height = 0
+    used = 0
+    while used + (height + 1) <= number_of_blocks:
+        height += 1
+        used += height
+    return height