Two names, one list
What does the final line print? Follow the objects rather than the variable names.
Try the question →LEARN BY DOING
One small question. A useful habit.
Each practice week, follow a short reasoning exercise from this growing original collection. Inspect the code, choose an explanation and take the idea into a full lesson.
The practice library
A handle across growth
After reserve returns successfully, what guarantee applies to saved? The requested capacity is larger than the old capacity.
Try the question →Where did the unmatched rows go?
Which customers remain? Assume there are some customers with no matching order.
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One filename or two arguments?
With Bash’s default IFS and no matching glob characters, what does this print?
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Which version gets committed?
Before these commands, report.txt contains version A. Assume the repository has an existing commit, a configured author and no hooks. Which report content enters the new commit?
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