code: def find_end_of_continued_line(lines, start_line: int):
      """Find the last line of a line explicitly extended using backslashes.
  
      Uses 0-indexed line numbers.
      """
      end_line = start_line
      while lines[end_line].endswith("\\\n"):
          end_line += 1
          if end_line >= len(lines):
              break
      return end_line
  
imports: import ast
  from codeop import CommandCompiler, Compile
  import re
  import sys
  import tokenize
  from typing import List, Tuple, Optional, Any
  import warnings
  from IPython.utils import tokenutil
label_desc: Use image node_id 5 for calling a global function with example usage: find_end_of_continued_line(lines, start_line) and returns: end_line