code: def _to_num_vars_numpy(df: DataFrame, num_cols: List[str]) -> list:
      return [
          c.to_numpy().astype(np.float32)
          for n, c in df[num_cols].items()
      ]
  
file_path: lightning-flash/src/flash/tabular/classification/utils.py
imports: import logging
  from typing import Dict, List, Tuple
  import numpy
  from flash.core.utilities.imports import _PANDAS_AVAILABLE
label_desc: Use image node_id 8 for calling a global function with example usage: _to_num_vars_numpy(df, num_cols) and returns: unknown