Python package for numerical computing and array operations
Package for scientific computing with Python
numpy$ python3 -c "import numpy as np; arr = np.array([1, 2, 3]); print(arr * 2)"$ python3 -c "import numpy as np; matrix = np.array([[1, 2], [3, 4]]); print(np.dot(matrix, matrix))"$ python3 -c "import numpy as np; data = np.random.randn(1000); print(f'Mean: {np.mean(data):.4f}, Std: {np.std(data):.4f}')"