code: def arg_pairs():
      scalar = 2.0
      vector = rs.randn(4)
      mat = rs.randn(3, 4)
      mat2 = rs.randn(1, 4)
      allargs = [scalar, vector, mat, mat2]
      for arg1, arg2 in it.product(allargs, allargs):
          yield arg1, arg2
  
file_path: autograd/tests/test_binary_ops.py
imports: from __future__ import absolute_import
  from __future__ import print_function
  import warnings
  import autograd.numpy
  import autograd.numpy.random
  import itertools
  from autograd.test_util import check_grads
  from autograd import grad, value_and_grad
label_desc: Use image node_id 1 for calling a global function with example usage: arg_pairs() without return types