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What is NumPy and why is it important?

Mid Python
Quick Answer NumPy provides N-dimensional arrays (ndarray) with vectorized operations - much faster than Python lists. Operations apply to entire arrays without Python loops (C-level speed). Broadcasting: arrays with different shapes can operate together. Key operations: array creation, indexing/slicing, math operations, linear algebra (linalg), FFT, random numbers. Foundation for pandas, scikit-learn, and PyTorch.

Answer

NumPy provides multi-dimensional arrays and vectorized operations.
Allows fast computation and broadcasting.
Foundation for scientific and ML libraries.
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