code: def init_variables(initial_value, iteration=0, name="step"):
      iteration = tf.Variable(
          asfloat(iteration),
          dtype=tf.float32,
          name="iteration",
      )
      step = tf.Variable(
          asfloat(initial_value),
          dtype=tf.float32,
          name=name,
      )
      return step, iteration
  
imports: import tensorflow
  from neupy.utils import asfloat, function_name_scope
label_desc: Use image node_id 1 for calling a global function with example usage: init_variables(initial_value, iteration, name) and returns: step,  iteration