class_docstr: Record the solver state
code: def __init__(self):
      self.learning_rate = None
      self.max_epoch = None
      self.adjust_interval = None
      self.decrease_factor = None
      self.upper_limit = None
      self.minibatch_size = None
      self.weight_decay = None
      self.dropout = None
      self.number_to_show_result = None
      self.grad_update_type = None
      self.momentum = None
  
imports: from enum import Enum
label_desc: Use image node_id 1 to create a new CntkSolver object from inherited base classes: object with example: obj = CntkSolver()