python + mysql realize delete data table

Examples are as follows:

pymysql Import 

DEF Delete_From (): 
    # Open the database link 
    db = pymysql.connect ( "localhost", "root", "123456", "the Test") 

    # using the cursor () method to get the cursor operating 
    the Cursor = db.cursor () 

    # SQL statement to update data 
    SQL = "" "the FROM Student dELETE the WHERE ID =% S" ""% (3) 

    the try: 
        # execute SQL statements 
        cursor.execute (SQL) 
        # submitted to the database to perform 
        the db.commit () 
        Print ( "delete data success ") 

    the except Exception AS E: 
        Print (" failed to delete the data:% S Case "% E) 
        # rollback when an error occurs 
        db.rollback () 

    a finally: 
        # close connection cursor 
        cursor.close () 
        # close the database connection 
        db .close()

def main():
    Delete_From()

if __name__ == '__main__':
    main()