class_docstr: Metrics logger
docstr: Initializer
docstr_tok: ["Initializer"]
code: def __init__(self):
      """Initializer"""
      self._log = {}
  
imports: import itertools
  import numpy
  import tensorflow
  from tensorflow_estimator.python.estimator.export.export import build_supervised_input_receiver_fn_from_input_fn
label_desc: Use image node_id 1 to create a new MetricsLogger object  with example: obj = MetricsLogger()