
def 	_snake_case						(      A_       :    str   ):
  """simple docstring"""







  return " ".join(input_str.split()[::-1]   )


if __name__ == "__main__":
    import doctest

    doctest.testmod()




'''simple docstring'''

from torch import nn






def 	_snake_case						(      A_       :    Dict   ):
  """simple docstring"""







  if act_fn in ["swish", "silu"]:
    return nn.SiLU()
  elif act_fn == "mish":
    return nn.Mish()
  elif act_fn == "gelu":
    return nn.GELU()
  else:
    raise ValueError(f'''Unsupported activation function: {act_fn}'''   )


