class_docstr: Swish Module.
  
  This module applies the swish function:
  
  .. math::
      Swish(x) = x * Sigmoid(x)
  
  Returns:
      Tensor: The output tensor.
code: def __init__(self):
      super(Swish, self).__init__()
  
imports: import torch
  import torch.nn
  from .registry import ACTIVATION_LAYERS
label_desc: Use image node_id 1 to create a new Swish object from inherited base classes: nn with example: obj = Swish()