Instructions

Please download homework materials hw09.zip from our QQ group if you don't have one.

In this homework, you are required to complete the problems described in section 2. The starter code for these problems is provided in hw09.scm.

Note: You are supposed to finish Problem 4, 5, 6 after Wednesday's lecture about Macros.

Submission: As instructed before, you need to submit your work with Ok by python ok --submit. You may submit more than once before the deadline, and your score of this assignment will be the highest one of all your submissions.

Readings: You might find the following references to the textbook useful: