code: def remove_notes(data):
      
      has_text = data.iloc[:, 0].astype(str).str.contains('(?!e-)[a-zA-Z]')
      text_rows = list(has_text.index[has_text])
      return data.drop(text_rows)
docs: Omit notes from a DataFrame object, where notes are identified as rows with non-numerical entries in the first column.
  
      :param data: DataFrame object to remove notes from
      :type data: Pandas.DataFrame
  
      :return: DataFrame object with no notes
      :rtype: Pandas.DataFrame