Write a python program that connects to the MySQL database, which has three tables from the world.sql script. Display the bar chart of the top 20 countries by GNP.

I know how to connect MySQL to python. I need help with the bar chart displaying the top 20 countries by GNP.

Tables columns are:name, continent, population, life expectancy, GNP from country.

Import MySQLdb

Conn = MySQLdb.connect(host=localhost, user=____, passwd=____, db=____)

Cursor = conn.cursor()