code: def part_count(self):
      return super().__len__()
  
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 9 for calling the _Accumulator obj's underlying member method code with example usage: obj.part_count() and returns: super