code: def finalize(x: Sequence[Any]) -> Any:
      return x[0]
  
imports: from __future__ import annotations
  from collections.abc import Hashable, Mapping, Sequence
  from typing import Any
  import pytest
  import dask
  import dask.threaded
  from dask.base import DaskMethodsMixin, dont_optimize, tokenize
  from dask.context import globalmethod
  from dask.delayed import Delayed, delayed
  from dask.typing import DaskCollection, Graph, HLGDaskCollection, Key, NestedKeys, PostComputeCallable, PostPersistCallable
label_desc: Use image node_id 1 for calling a global function with example usage: finalize(x) and returns: x