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We may not be able to access all of the namespaces from every part of the program. There won’t be any error like an IndexError. They support (fairly) efficient insertion, deletion, appending, and concatenation, and Python’s list comprehensions make them easy to construct and manipulate.They have certain limitations: they don’t support “vectorized” operations like elementwise addition and multiplication, and the fact that they can contain objects of differing types mean that Python must store type information for every element, and must execute type dispatching code when operating on each element.NumPy is not just more efficient; it is also more convenient. This list of interview questions on Python will help you to crack your next Python job interviewâ¦ These are questions that you are most likely to get asked at the beginning of the interview, just to see if you truly do have the fundamental understanding about Python. 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