code: def MakePlaceholder(x, dtype=None):
      return array_ops.placeholder(
          dtypes.as_dtype(x.dtype) if dtype is None else dtype,
          shape=x.shape,
      )
  
imports: import itertools
  import numpy
  from tensorflow.compiler.tests import xla_test
  from tensorflow.python.framework import constant_op
  from tensorflow.python.framework import dtypes
  from tensorflow.python.framework import errors
  from tensorflow.python.framework import test_util
  from tensorflow.python.ops import array_ops
  from tensorflow.python.ops import linalg_ops
  from tensorflow.python.platform import test
label_desc: Use image node_id 1 for calling a global function with example usage: MakePlaceholder(x, dtype) and returns: array_ops