Being abstract is something profoundly different from being vague... The purpose of abstraction is not to be vague, but to create a new semantic level in which one can be absolutely precise. — attributed to E.W. Dijkstra
For this unit, work through the following preparatory activities.
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Do “Reading 11” from the ZyBooks current assignments list.
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This video demo — key ideas not emphasized in the text:
- The Value of 2-D Data Structures
- Arbitrarily-Nested Data Structures