Remember: You are encouraged to turn in individual problems as soon as possible, rather than turning in the whole assignment on the due date. Please mark each problem with the exercise number from the book, or the exercise number indicated below, for the problem that is not from the book.
elsebranch is optional, but if it appears only the last branch can be an
elsebranch, which has one or more expressions after the
((lambda (n) (if (< n 0) (- 0 n) n)) -4)Next, illustrate the evaluation process for that AST by drawing the kind of diagram shown in Figure 10.5 on page 298.