code: def lightfm_interaction_data() -> pd.DataFrame:
      return get_df(
          "ratings.csv",
          dtype={
              "userId": "str",
              "movieId": "str",
              "rating": "float64",
          },
      )
  
imports: from pathlib import Path
  import pandas
  import pytest
label_desc: Use image node_id 2 for calling a global function with example usage: lightfm_interaction_data() and returns: get_df