Lua Quick Start Guide

Printing variables

How can you tell what the value of a variable is? One way is to print the value out to the console. To print the value of a variable, you first type the keyword print, then the name of the variable between parentheses (). The full syntax is:

print (<variable>)

For example, we can check the value assigned to foo with the following code:

foo = "bar"print (foo)

The first line of code creates a variable named foo and assigns it the string value "bar". The second line prints the value of the foo variable. This means bar will be printed to the console:

Where does the print keyword come from? What's a keyword? Why do we use parentheses ...