code: def n_tanks(Q_plant, sed_inputs=sed_dict):
      
      q = q_tank(sed_inputs).magnitude
      return (int(np.ceil(Q_plant / q)))
docs: Return the number of sedimentation tanks required for a given flow rate.
      Parameters
      ----------
      Q_plant : float
          Total plant flow rate
      sed_inputs : dict
          A dictionary of all of the constant inputs needed for sedimentation tank
          calculations can be found in sed.yaml
      Returns
      -------
      int
          Number of sedimentation tanks required for a given flow rate.
      Examples
      --------
      >>> from aide_design.play import*
      >>>