code: def dilate_np(x, dilation):
      """1D dilation using numpy
  
      Parameters
      ----------
      x : numpy.ndarray
          Array to dilate with shape [batch, in_channel, in_width]
  
      dilation : int
          dilation rate of output
  
      Returns
      -------
      out : numpy.ndarray
          Dilated output with shape [batch, in_channel, (in_width - 1) * dilation + 1]
      """
      irange = range(len(x) - 1)
      for d in range(dilation - 1):
          indices = [(d + 1) * (i + 1) for i in irange]
          x = np.insert(x, indices, 0)
      return x
  
imports: import numpy
  from tvm.topi.nn.utils import get_pad_tuple1d
label_desc: Use image node_id 1 for calling a global function with example usage: dilate_np(x, dilation) and returns: x