class_docstr: Class to collect timing tasks.
class_docstr_tok: ["Class","to","collect","timing","tasks","."]
docstr: Start a given task with a name
docstr_tok: ["Start","a","given","task","with","a","name"]
code: def start(self, name: str) -> None:
      """Start a given task with a name"""
      task = TimingTask(name)
      self.tasks[name] = task
      task.start()
  
imports: from __future__ import annotations
  from typing import Iterator, Mapping, Optional, Tuple
  import sys
  import time
  from contextlib import contextmanager
  from itertools import repeat
  from typing_extensions import Literal
label_desc: Use image node_id 6 for calling the StopWatch obj's underlying member method code with example usage: obj.start(name) without return types