DB tutorial updates - make SQLite example

Author: dominict

4 DB in Python/SQLite Demo/newdb.py

@@ -0,0 +1,5 @@
+import sqlite3
+
+db_file = "new.db"
+
+connection = sqlite3.connect(db_file)

4 DB in Python/SQLite Demo/vinventory.py

@@ -96,7 +96,8 @@ def update_data():
         #update the change made date log
         sql = "UPDATE vaccines set changemade = ? where id =  ?"
         changemade = str(now.year) +"/"+str(now.month) +"/"+str(now.day)
-        conn.execute(sql, (changemade,update_ID)) 
+        conn.execute(sql, (changemade,update_ID))
+        conn.commit() 
 
     except Error as e:
         print(e)