code: def output_all_points(self):
          
          mass1 = []
          mass2 = []
          spin1z = []
          spin2z = []
          for i in self.massbank.keys():
              for j in self.massbank[i].keys():
                  for k in xrange(len(self.massbank[i][j]['mass1s'])):
                      curr_bank = self.massbank[i][j]
                      mass1.append(curr_bank['mass1s'][k])
                      mass2.append(curr_bank['mass2s'][k])
                      spin1z.append(curr_bank['spin1s'][k])
                      spin2z.append(curr_bank['spin2s'][k])
  
          return mass1, mass2, spin1z, spin2z
docs: Return all points in the bank.
  
          Return all points in the bank as lists of m1, m2, spin1z, spin2z.
  
          Returns
          -------
          mass1 : list
              List of mass1 values.
          mass2 : list
              List of mass2 values.
          spin1z : list
              List of spin1z values.
          spin2z : list
              List of spin2z values.