code: def __init__(self, ctx: Context, params, lr=0.05):
      self.ctx = ctx
      self.params = params
      self.lr = lr
  
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 1 to create a new SSHEOptimizerSGD object  with example: obj = SSHEOptimizerSGD(ctx, params, lr)