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avoid complexity

I think I’d rather have a root canal
than change that code again.

Adding another nested loop is a huge pain.
Your data is getting more complex (that mind-bending list
of lists of lists of lists) and, as a consequence, your code is
getting overly complex, too (that brain-exploding for loop
inside a for loop inside a for loop). And overly complex
code is rarely a good thing…

26 Chapter 1