text: from typing import Union
  
  from pandas import DataFrame, Series
  from pandas.core.generic import NDFrame
  
  
  def get_outliers(
      df: DataFrame,
      column: str
  ) -> Union[Series, DataFrame, NDFrame, None]:
      """
      Get outliers of given `column` in given `df` using Tukey test.
  
      :param df: dataframe.
      :param column: dataframe's column to get outliers of.
      :return: dataframe containing outliers.
      """
      iqr = df[column].quantile(q=0.75) - df[column].quantile(q=0.25)
      upper_bound = df[column].quantile(q=0.75) + 1.5 * iqr
      lower_bound = df[column].quantile(q=0.25) - 1.5 * iqr
  
      print(f'lower bound: {lower_bound}\nupper bound: {upper_bound}')
  
      return df[(df[column] > upper_bound) | (df[column] < lower_bound)]
  