code: def get_fama_french():
      """
      Retrieve Fama-French factors via pandas-datareader
      Returns
      -------
      pandas.DataFrame
          Percent change of Fama-French factors
      """
  
      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 /= 100.0
      five_factors.index = five_factors.index.tz_localize("utc")
  
      five_factors.columns = five_factors.columns.str.strip()
  
      return five_factors
  
imports: from datetime import datetime
  from functools import wraps
  from os import makedirs, environ
  from os.path import expanduser, join, getmtime, isdir
  import errno
  import warnings
  import numpy
  from numpy.lib.stride_tricks import as_strided
  import pandas
  from pandas.tseries.offsets import BDay
  from .deprecate import deprecated
label_desc: Use image node_id 11 for calling a global function with example usage: get_fama_french() and returns: five_factors