code: def erase_console(self):
      if os.name == "nt":
          erase_console(0, 0)
      else:
          self._out.write("\033[J")
  
file_path: chainer/chainer/training/extensions/util.py
imports: import collections
  import os
  import sys
  import time
label_desc: Use image node_id 6 for calling the ProgressBar obj's underlying member method code with example usage: obj.erase_console() without return types