code: def test_expand_nested_args_into_nested_maps():
      assert expand_nested_args_into_nested_maps(
          {"a": 1, "b.a": 3, "c.a.b": 4}
      ) == {
          "a": 1,
          "b": {"a": 3},
          "c": {"a": {"b": 4}},
      }
  
file_path: autogluon/eda/tests/unittests/test_state.py
imports: import pytest
  from autogluon.eda.state import AnalysisState, StateCheckMixin
  from autogluon.eda.utils.common import expand_nested_args_into_nested_maps
label_desc: Use image node_id 9 for calling a global function with example usage: test_expand_nested_args_into_nested_maps() without return types