code: def __init__(
      self, tuples: list[tuple[str, str, tuple[int, int]]]
  ) -> None:
      #: List of (varname, value, slice) tuples.
      self._tuples = tuples
  
imports: from __future__ import annotations
  import re
  from typing import Callable, Dict, Iterable, Iterator, Pattern
  from typing import Match
  from .regex_parser import AnyNode, Lookahead, Node, NodeSequence, Regex, Repeat, Variable, parse_regex, tokenize_regex
label_desc: Use image node_id 1 to create a new Variables object  with example: obj = Variables(tuples)