code: def Dis(self):
          '''Representative diameters of each bin.
          '''
          return [self.di_power(i, power=1) for i in range(self.N)f Dis(self):
          '''Representative diameters of each bin.
          '''
          return [self.di_power(i, power=1) for i in range(self.N)]
docs: Representative diameters of each bin.