code: def __init__(self, d_model, d_ff, dropout):
      super(FeedForward, self).__init__()
      self.w_1 = nn.Linear(d_model, d_ff)
      self.w_2 = nn.Linear(d_ff, d_model)
      self.dropout = nn.Dropout(dropout)
  
imports: import copy
  import math
  import paddle
  from paddle import nn
  from paddle.nn import functional
label_desc: Use image node_id 1 to create a new FeedForward object from inherited base classes: nn with example: obj = FeedForward(d_model, d_ff, dropout)