code: def while_with_variable_dtype():
      n = tf.constant(0, dtype=tf.int32)
      while tf.constant(True):
          n = tf.constant(0, dtype=tf.float32)
      return n
  
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 2 for calling a global function with example usage: while_with_variable_dtype() and returns: n