code: def test_placeholder():
      p1 = placeholder(shape=(1, 2))
      p2 = placeholder(shape=(2, 1))
      op = times(p1, p2)
  
      p1 = placeholder(shape=(1, 2))
      p2 = placeholder(shape=(2, 1))
      op = times(p1, [[1], [2]])
  
file_path: CNTK/bindings/python/cntk/tests/variables_test.py
imports: from ..None import times, placeholder, constant, plus, alias, initializer
  import numpy
  import cntk
  import pytest
label_desc: Use image node_id 7 for calling a global function with example usage: test_placeholder() without return types