Correct Answer : scientific library
Explanation : SciPy, a scientific library for Python is an open source, BSD-licensed library for mathematics, science and engineering.
Correct Answer : Both (a) and (b)
from scipy import linalg import numpy as np A = np.array([[1,2],[3,4]]) x = linalg.det(A) print x
Correct Answer : -2
constants.hour
Correct Answer : 3600.0