code: def __init__(self, temperature=100):
      self._rng = np.random.RandomState()
      self._temperature = temperature  # Current temperature.
      self._current_trial = None
  
file_path: optuna/tutorial/20_recipes/005_user_defined_sampler.py
imports: import numpy
  import optuna
label_desc: Use image node_id 1 to create a new SimulatedAnnealingSampler object from inherited base classes: optuna.samplers with example: obj = SimulatedAnnealingSampler(temperature)