Lecture 8 Objectives

KNOW:

• How DrRacket defines a list.
• How to use first and rest to extract the pieces of a list.

BE ABLE TO:

• Write a data definition for a list.
• Write a template for a function over lists.
• Use a template to write a function over lists.

Sample Exam Question:

Write a data definition for a list of numbers. Then write a function that consumes a list of numbers and produces the sum of the numbers. Go through all the steps in the design recipe in the development of your function.