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There are lots of times in programming where a new problem presents new challenges; new techniques that must be grasped; new language features that have to be absorbed. Those are fun times, but they can also be frustrating. Your pace slows to a crawl, and it’s often at least a few hours—and sometimes a few days—before it seems like you make real progress. (This is also probably how and why programmers develop a stubbornness that drives those who spend much time with them absolutely nuts.)
Then there are times when you have tricks, knowledge, and experience to complete a new task. This is one of those simple cases: deleting a user.