code: def __init__(self):
      super().__init__()
  
      self._estimates = {}
      self._beta = 0.9
      self._beta_pow = {}
      self._last_printed_value = {}
  
file_path: labml/client/labml/internal/tracker/writers/screen.py
imports: from typing import Dict
  import numpy
  from labml.logger import Text
  from ..None import Writer, Indicator
  from ..indicators import numeric
label_desc: Use image node_id 1 to create a new ScreenWriter object from inherited base classes: Writer with example: obj = ScreenWriter()