Add function to calculate pyramid height from blocks

Author: Lesyk01

Week03/pyramid_oleksii_rak.py

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