code: def glyph_range(self, start, end):
      return self.glyphs_.range(start, end)
  
imports: import fontTools.voltLib.ast
  from fontTools.voltLib.lexer import Lexer
  from fontTools.voltLib.error import VoltLibError
  from io import open
label_desc: Use image node_id 24 for calling the Parser obj's underlying member method code with example usage: obj.glyph_range(start, end) and returns: self