code: def _global_scale_exp_activation(input: Tensor) -> Tensor:
      """Global scale exponential activation.
  
      Args:
          input (Tensor): Input tensor
  
      Returns:
          Tensor: Exponential activation
      """
      return torch.exp(input)
  
imports: from __future__ import annotations
  import warnings
  from typing import Callable
  import torch
  import torch.nn.functional
  from FrEIA.modules import InvertibleModule
  from scipy.stats import special_ortho_group
  from torch import Tensor, nn
label_desc: Use image node_id 3 for calling a global function with example usage: _global_scale_exp_activation(input) and returns: torch