code: def get_fama_french():
      
  
      start = '1/1/1970'
      research_factors = web.DataReader('F-F_Research_Data_Factors_daily',
                                        'famafrench', start=start)[0]
      momentum_factor = web.DataReader('F-F_Momentum_Factor_daily',
                                       'famafrench', start=start)[0]
      five_factors = research_factors.join(momentum_factor).dropna()
      five_factors /= 100.
      five_factors.index = five_factors.index.tz_localize('utc')
  
      five_factors.columns = five_factors.columns.str.strip()
  
      return five_factors
docs: Retrieve Fama-French factors via pandas-datareader
      Returns
      -------
      pandas.DataFrame
          Percent change of Fama-French factors