The tavern master makes a point of greeting each patron, as it is just good business to do so. Lists include built-in support for a variety of functions that allow you to perform an action for each element of their contents. This concept is called iteration.
One way to iterate through a list is a
Its logic is, “for each element in the list, do something.”
You give the element a name, and the Kotlin compiler will automatically detect its type for you.
Update Tavern.kt to print a greeting for each patron. (Also, remove the code from earlier that modifies and prints patronList to tidy up your console output.)
Listing 10.13 Iterating over the
... fun main(args: Array<String>) ...