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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def jpeg_compression(x, severity=1):
 """Conduct jpeg compression to images. Args: x: numpy array, uncorrupted image, assumed to have uint8 pixel in [0,255]. severity: integer, severity of corruption. Returns: numpy array, image with uint8 pixels in [0,255]. Applied jpeg compression. """

  c = [25, 18, 15, 10, 7][severity - 1]
  x = tfds.core.lazy_imports.PIL_Image.fromarray(x.astype(np.uint8))
  output = io.BytesIO()
  x.save(output, 'JPEG', quality=c)
  output.seek(0)
  x = tfds.core.lazy_imports.PIL_Image.open(output)
  return np.asarray(x)