class_docstr: Group of timers.
class_docstr_tok: ["Group","of","timers","."]
code: def __contains__(self, item):
      return item in self.timers
  
imports: import time
  from .callback import Callback
  from ..log import logger
label_desc: Use image node_id 3 for calling the Timers obj's underlying member method code with example usage: obj.__contains__(item) and returns: unknown