code: def preprocess_data(Xs_raw):
      '''Translate the center of mass (COM) of the data to the origin.
      Return the prossed data and the shift of the COM'''
      n = len(Xs_raw)
      Xs_raw_mean = sum(X for X in Xs_raw) / n
  
      return [X - Xs_raw_mean for X in Xs_raw], Xs_raw_meaf preprocess_data(Xs_raw):
      '''Translate the center of mass (COM) of the data to the origin.
      Return the prossed data and the shift of the COM'''
      n = len(Xs_raw)
      Xs_raw_mean = sum(X for X in Xs_raw) / n
  
      return [X - Xs_raw_mean for X in Xs_raw], Xs_raw_mean
docs: Translate the center of mass (COM) of the data to the origin.
      Return the prossed data and the shift of the COM