code: def get_padding_value(dtype):
    
    padding_value = None
    if dtype == np.uint8:
      padding_value = np.uint8(0)
    elif dtype == np.uint16:
      padding_value = np.uint16(0)
    elif dtype == np.float32:
      padding_value = 0.0
    else:
      padding_value = 0
    assert padding_value is not None
    return padding_value
docs: Returns the padding value given a dtype.