code: def __init__(self, encoding="ascii"):
      systemdict = {}
      userdict = {}
      self.encoding = encoding
      self.dictstack = [systemdict, userdict]
      self.stack = []
      self.proclevel = 0
      self.procmark = ps_procmark()
      self.fillsystemdict()
  
imports: from fontTools.misc.textTools import bytechr, byteord, bytesjoin, tobytes, tostr
  from fontTools.misc import eexec
  from .psOperators import PSOperators, ps_StandardEncoding, ps_array, ps_boolean, ps_dict, ps_integer, ps_literal, ps_mark, ps_name, ps_operator, ps_procedure, ps_procmark, ps_real, ps_string
  import re
  from collections.abc import Callable
  from string import whitespace
  import logging
label_desc: Use image node_id 1 to create a new PSInterpreter object from inherited base classes: PSOperators with example: obj = PSInterpreter(encoding)