Update HashMap.py

Author: DarthNixx

HashMap.py

@@ -70,3 +70,12 @@ def retrieve(self, key):
       retrieval_collisions += 1
 
     return
+  
+hash_map = HashMap(15)
+hash_map.assign("gabbro", "igneous")
+hash_map.assign("sandstone", "sedimentary")
+hash_map.assign("gneiss", "metamorphic")
+
+print(hash_map.retrieve("gabbro"))
+print(hash_map.retrieve("sandstone"))
+print(hash_map.retrieve("gneiss"))