Let's try something a little more complex. We will examine a function call that takes a single positional argument and two keyword arguments. Here, we use triple quotes around the code so that we can handle the double quotes inside it properly:

Note that a function call has the call symbol as the head node of the expression. Also, the keyword arguments are represented as subexpressions, each with a head node of kw and a two-element array for the name and value of the argument.