Why is dry-running nested loops important?
Because two variables are changing at different rates, it is very difficult to visualize the exact state of the program mentally without tracing it on paper.
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More FAQs in The Inner Loop vs The Outer Loop Execution Flow
The outer loop executes once, which triggers the inner loop. The inner loop must complete all of its iterations before the outer loop can advance to its next step.
Yes, variables declared in the outer loop (like the 'i' counter) are perfectly visible and accessible inside the inner loop.
No. Any variables declared inside the inner loop are destroyed as soon as the inner loop finishes, making them invisible to the outer loop.
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