code: def parameters(self):
      return [self.wa, self.wb]
  
imports: import typing
  import torch
  from fate.arch.context import Context
  from fate.arch.protocol.mpc.common.encoding import IgnoreEncodings
  from fate.arch.protocol.mpc.mpc import FixedPointEncoder
  from fate.arch.trace import auto_trace
label_desc: Use image node_id 4 for calling the SSHELinearRegressionLayer obj's underlying member method code with example usage: obj.parameters() and returns: list