code: def reduce_rms(x):
      return tf.sqrt(tf.reduce_mean(tf.square(x)))
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  from tensor2tensor.layers import common_layers
  from tensor2tensor.utils import quantization
  import tensorflow.compat.v1
label_desc: Use image node_id 5 for calling a global function with example usage: reduce_rms(x) and returns: tf