from cvxopt import matrix,solvers
class linear(object):
    def run(_self):
        c = matrix([-4,-5])
        G = matrix([[2., 1., -1., 0.], [1., 2., 0., -1.]])
        h = matrix([3., 3., 0., 0.])
        sol = solvers.lp(c, G, h)
        print(sol['x'])