I went very low-tech for this homework… I hope you can read the text. The two small square boxes say “Copy”; the larger square box says “Possible need for *deep* copy”. I wanted to illustrate how deep/nested lists (lists containing sublists) differ from shallow lists when they are copied.
Second version after reading comments:
<figcaption class="wp-caption-text">Concept map (second version) for “Shallow vs Deep Copy”</figcaption></figure>