Question library
Questions from real interviews. Drill any of them by voice in a couple of minutes, with an interviewer, a score and feedback.
Your Python script runs slowly. How will you figure out what exactly is slowing it down?JuniorA nightly data processing script used to run for ten minutes, and now it takes two hours. How would you find out where it's spending its time?Mid-levelHow do you track down a performance bottleneck in Python code? What's the most telling case from your own experience?Senior