Add function to calculate pyramid height from blocks

Author: sartikb

Week03/pyramid_burak_sartik.py

@@ -0,0 +1,6 @@
+def calculate_pyramid_height(number_of_blocks):
+    height = 0
+    while number_of_blocks > height:
+        height += 1
+        number_of_blocks -= height
+    return height