I do not see any code that exemplifies the addressPackage() function.
Closures have the same process as mailing a package.
Let’s look at some basic code that uses a closure to mail a package.
// I think a code is supposed to be here
The addressPackage() function is a closure! It can be called at any time after the packBox function has been called. It also has access to the variables and arguments from the time when packBox() was originally called.