code: def get_padding(kernel_size, dilation=1):
      return int((kernel_size * dilation - dilation) / 2)
  
imports: import math
  import numpy
  import torch
  from torch import nn
  from torch.nn import functional
label_desc: Use image node_id 2 for calling a global function with example usage: get_padding(kernel_size, dilation) and returns: int