code: def __setitem__(self, key, value):
      if key in self:
          self._keys.remove(key)
      elif len(self) >= self._max_size:
          del self[self._keys.pop(0)]
      super().__setitem__(key, value)
      self._keys.append(key)
  
imports: import math
  import trampoline
  import warnings
  import numpy
  import torch
  from .None import brownian_base
  from ..settings import LEVY_AREA_APPROXIMATIONS
  from ..types import Scalar, Optional, Tuple, Union, Tensor
label_desc: Use image node_id 2 for calling the _LRUDict obj's underlying member method code with example usage: obj.__setitem__(key, value) without return types