code: def test_subtract():
      verify_broadcast_binary_ele(
          (5, 2, 3), (), topi.subtract, np.subtract
      )
      verify_broadcast_binary_ele(
          (5, 2, 3), None, topi.subtract, np.subtract
      )
      verify_broadcast_binary_ele(
          None, None, topi.subtract, np.subtract
      )
      verify_broadcast_binary_ele(
          (1, 32), (64, 32), topi.subtract, np.subtract
      )
  
imports: import numpy
  import tvm
  from tvm import te
  from tvm import topi
  import tvm.testing
  import tvm.topi.testing
label_desc: Use image node_id 5 for calling a global function with example usage: test_subtract() without return types