code: def detrim_sagemaker_parameters(trimmed_params: dict) -> dict:
      """
      DE-trim parameters that have already been trimmed.
  
      Example:
  
      >>> detrim_sagemaker_parameters({
      ...     '_0_foo': '[1, ',
      ...     '_1_foo': '2, 3',
      ...     '_2_foo': ']',
      ...     '_0_bar': 'hell',
      ...     '_1_bar': 'o'
      ... })
      {'foo': '[1, 2, 3]', 'bar': 'hello'}
      """
      detrimmed_params = trimmed_params.copy()
  
      trimmed_param_names = [
          param[3:]
          for param in detrimmed_params
          if param.startswith("_0_")
      ]
  
      for name in trimmed_param_names:
          value = ""
          for idx in count():
              part = detrimmed_params.pop(f"_{idx}_{name}", None)
              if part is None:
                  break
              value += part
  
          detrimmed_params[name] = value
  
      return detrimmed_params
  
file_path: gluonts/src/gluonts/shell/sagemaker/params.py
imports: from itertools import count
  from typing import Any, Union
  from toolz import valmap
  from gluonts.core.serde import dump_json, load_json
  from gluonts.itertools import batcher
label_desc: Use image node_id 8 for calling a global function with example usage: detrim_sagemaker_parameters(trimmed_params) and returns: detrimmed_params