code: def realize(self, extra=None):
      # NOTE: in extra is too late for most of the params due to issues with assign
      Tensor.corealize(
          extra + self.params + self.buffers
          if extra is not None
          else self.params + self.buffers
      )
  
file_path: tinygrad/tinygrad/nn/optim.py
imports: from typing import List
  from tinygrad.helpers import dedup, getenv
  from tinygrad.tensor import Tensor
label_desc: Use image node_id 3 for calling the Optimizer obj's underlying member method code with example usage: obj.realize(extra) without return types