code: def vol_per_rev_LS(id_number):
      
      tubing_data_path = os.path.join(os.path.dirname(__file__), "data",
          "LS_tubing.txt")
      df = pd.read_csv(tubing_data_path, delimiter='\t')
      idx = df["Number"] == id_number
      return df[idx]['Flow (mL/rev)'].values[0] * u.mL/u.turn
docs: Look up the volume per revolution output by a Masterflex L/S pump
      through L/S tubing of the given ID number.
  
      :param id_number: Identification number of the L/S tubing. Valid numbers are 13-18, 24, 35, and 36.
      :type id_number: int
  
      :return: Volume per revolution output by a Masterflex L/S pump through the L/S tubing
      :rtype: float
  
      :Examples:
  
      >>> from aguaclara.research.peristaltic_pump import vol_per_rev_LS
      >>> from aguaclara.core.units import unit_registry as u
      >>> vol_per_rev_LS(13)
      <Quantity(0.06, 'milliliter / turn')>
      >>> vol_per_rev_LS(18)
      <Quantity(3.8, 'milliliter / turn')>