code: def test_args():
      assert args((inc, 1)) == (1,)
      assert args((add, 1, 2)) == (1, 2)
      assert args(1) == ()
      assert args([1, 2, 3]) == [1, 2, 3]
  
file_path: dask/dask/tests/test_rewrite.py
imports: from __future__ import annotations
  from dask.rewrite import VAR, RewriteRule, RuleSet, Traverser, args, head
  from dask.utils_test import add, inc
label_desc: Use image node_id 3 for calling a global function with example usage: test_args() without return types