code: def CBO_L(self, **kwargs):
          '''
          Returns the strain-shifted L-valley conduction band offset (CBO),
          assuming the strain affects all conduction band valleys equally.
          '''
          return (self.unstrained.CBO_L(**kwargs) +
                  self.CBO_strain_shift(**kwargs)f CBO_L(self, **kwargs):
          '''
          Returns the strain-shifted L-valley conduction band offset (CBO),
          assuming the strain affects all conduction band valleys equally.
          '''
          return (self.unstrained.CBO_L(**kwargs) +
                  self.CBO_strain_shift(**kwargs))
docs: Returns the strain-shifted L-valley conduction band offset (CBO),
          assuming the strain affects all conduction band valleys equally.