class_docstr: Helper that visits all nodes in the AST tree and assigns .first_token and .last_token attributes
  to each of them. This is the heart of the token-marking logic.
class_docstr_tok: ["Helper","that","visits","all","nodes","in","the","AST","tree","and","assigns",".first_token","and",".last_token","attributes","to","each","of","them",".","This","is","the","heart","of","the","token-marking","logic","."]
code: def handle_comp(self, open_brace, node, first_token, last_token):
      # type: (str, AstNode, util.Token, util.Token) -> Tuple[util.Token, util.Token]
      # For list/set/dict comprehensions, we only get the token of the first child, so adjust it to
      # include the opening brace (the closing brace will be matched automatically).
      before = self._code.prev_token(first_token)
      util.expect_token(before, token.OP, open_brace)
      return (before, last_token)
  
imports: import ast
  import numbers
  import sys
  import token
  from ast import Module
  from typing import Callable, List, Union, cast, Optional, Tuple, TYPE_CHECKING
  import six
  from .None import util
  from .asttokens import ASTTokens
  from .util import AstConstant
  from .astroid_compat import astroid_node_classes, BaseContainer
label_desc: Use image node_id 8 for calling the MarkTokens obj's underlying member method code with example usage: obj.handle_comp(open_brace, node, first_token, last_token) and returns: before,  last_token