code: def test_solve_arg1_3d():
      D = 4
      A = npr.randn(D + 1, D, D) + 5 * np.eye(D)
      B = npr.randn(D + 1, D)
      fun = lambda A: np.linalg.solve(A, B)
      check_grads(fun)(A)
  
imports: from __future__ import absolute_import
  from builtins import range
  import itertools
  import autograd.numpy
  import autograd.numpy.random
  from autograd.test_util import check_grads
  from autograd import tuple
  from autograd import grad
  from functools import partial
  import pytest
label_desc: Use image node_id 9 for calling a global function with example usage: test_solve_arg1_3d() without return types