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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. I have been preparing for a few interviews in tech/finance companies (Google, Goldman Sachs and alike). This makes it difficult to answer a lot of practical questions for beginners and aspiring Python programmers. One should spend 1 hour daily for 2-3 months to learn and assimilate Python comprehensively. Question5: How do I copy an object in Python? Python Coding Interview Questions And Answers 2020. 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