code: def loop(
      self,
      iterator_: typing.Collection,
      *,
      is_track: bool,
      is_print_iteration_time: bool,
  ):
      if len(self.__sections) != 0:
          labml_notice(
              [
                  "LabML Loop: ",
                  ("Starting loop inside sections", Text.key),
                  "\n",
                  (
                      "This could be because some iterators crashed in a previous cell in a notebook.",
                      Text.meta,
                  ),
              ],
              is_danger=False,
          )
          err = RuntimeError("Section outside loop")
          for s in reversed(self.__sections):
              s.__exit__(type(err), err, err.__traceback__)
          # raise RuntimeError("Cannot start a loop within a section")
  
      self.__loop = Loop(
          iterator=iterator_,
          monitor=self,
          is_track=is_track,
          is_print_iteration_time=is_print_iteration_time,
      )
      return self.__loop
  
imports: import typing
  from typing import Optional, List, Union, Tuple
  from .iterator import Iterator
  from .loop import Loop
  from .mix import Mix
  from .sections import Section, OuterSection
  from .time_recorder import TimeRecorder, Summary
  from ..logger import logger_singleton
  from ..logger.types import LogPart
  from ..tracker import tracker_singleton
  from ..util.colors import StyleCode
  from ...logger import Text
  from ...utils.notice import labml_notice
label_desc: Use image node_id 12 for calling the Monitor obj's underlying member method code with example usage: obj.loop(iterator_) and returns: self