code: def inputs_from_dataframe(df, delays=(1, 2, 3), inputs=(1, 2, -1), outputs=None, normalize=True, verbosity=1):
      
      ds = input_dataset_from_dataframe(df=df, delays=delays, inputs=inputs, outputs=outputs,
                                        normalize=normalize, verbosity=verbosity)
      return ds['input']
docs: Build a sequence of vectors suitable for "activation" by a neural net
  
      Identical to `dataset_from_dataframe`, except that only the input vectors are
      returned (not a full DataSet instance) and default values for 2 arguments are changed:
          outputs: None
  
      And only the input vectors are return