code: def while_with_variable_shape():
      t = tf.constant([1])
      while tf.constant(True):
          t = tf.constant([1, 1])
      return t
  
imports: import re
  from absl.testing import parameterized
  import tensorflow
  from tensorflow.python.autograph.tests import reference_test_base
label_desc: Use image node_id 6 for calling a global function with example usage: while_with_variable_shape() and returns: t