The interior perform is closing above the free of charge variable and that's why it is referred to as 'closure'. A totally free variable is usually a variable that is exterior the interior function and passed to the interior via docorator. one Also see this related question and its solutions. https://propertyingurugram.in/ashiana-housing-to-launch-4-new-projects-in-the-next-12-months-varun-gupta-whole-time-director/