code: def __init__(self, initial_size=0):
      self._initial_size = initial_size
      super().__init__()
  
imports: import re
  import binascii
  import email.quoprimime
  import email.base64mime
  from email.errors import HeaderParseError
  from email import charset
label_desc: Use image node_id 1 to create a new _Accumulator object from inherited base classes: list with example: obj = _Accumulator(initial_size)