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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 preprocess_frame(frame):
 """Preprocess frame. 1. Converts [0, 255] to [-0.5, 0.5] 2. Adds uniform noise. Args: frame: 3-D Tensor representing pixels. Returns: frame: 3-D Tensor with values in between [-0.5, 0.5] """

  # Normalize from [0.0, 1.0] -> [-0.5, 0.5]
  frame = common_layers.convert_rgb_to_real(frame)
  frame = frame - 0.5
  frame, _ = glow_ops.uniform_binning_correction(frame)
  return frame