code: def f():
      np.random.seed(1)
      return 2 * np.random.binomial(1, 0.5, size=(10,)) - 1
  
imports: import numpy
  import tensorflow.compat.v1
  from tensorflow.python.autograph.tests import reference_test_base
label_desc: Use image node_id 1 for calling a global function with example usage: f() and returns: unknown