Add function to calculate pyramid height from blocks

Author: busrapehlivanlar

Week03/pyramid_busra_pehlivanlar.py

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