Python Developer Mock Interview
Master 21 Python Developer interview questions covering algorithms, frameworks, and code optimization.
Question 13 of 21
Can you discuss Python lists and NumPy arrays, and why one is preferable to the other?
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William Swansen has worked in the employment assistance realm since 2007. He is an author, job search strategist, and career advisor who helps individuals worldwide and in various professions to find their ideal careers.
This is an example of a technical question that asks you about two elements of the programming language you use and requests that you state a preference for one or the other. In most cases, your preference is neutral, as long as you can defend why you chose the particular item. However, if the interviewer or the organization has a strong preference for one of the items, it would be best if your stated preference matched theirs. The exception to this rule is if your preference would improve their operations, and you're able to explain this in detail.
William Swansen has worked in the employment assistance realm since 2007. He is an author, job search strategist, and career advisor who helps individuals worldwide and in various professions to find their ideal careers.
"Python's lists are good general-purpose containers. They are easy to build and manage and support all of the data operations you need to perform. NumPy is more efficient and easier to use than lists. It provides you with many vector-matrix operations, which will eliminate some of the coding you need to do. NumPy is also faster and supports vectorized operations, which Python's lists do not."
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