Explain what the following query will do?

Q. Explain what the following query will do?

import mysql.connector 
db = mysql.connector.connect(….) 
cursor = db.cursor() 
person_id = input("Enter required person id") 
lastname = input("Enter required lastname") 
db.execute("INSERT INTO staff (person_id, lastname) VALUES ({}, ‘{}’) ". 
format (person_id, lastname)) 
db.commit() 
db.close() 

Answer = 

This above program insert a new records in table staff such that person_id and lastname are input by user . when program has run .