import numpy as np
import numpy.linalg as gauss


A = np.array([[4, -2,1], [-2,4,-2], [1,-2,4]], dtype='float')    #array:series / lists 
                                                                 #Defining a matrix with unknown values

b = np.array([[11,-16,17]])                                     #constant term
gauss.solve(A,b.T)

print(gauss.solve(A,b.T))