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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 Clean():
 """Clean out compiled protos."""

  # Find all the compiled proto files and unlink them.
  for (root, _, files) in os.walk(ROOT):
    for filename in files:
      full_filename = os.path.join(root, filename)
      if full_filename.endswith("_pb2.py") or full_filename.endswith(
          "_pb2.pyc"):
        os.unlink(full_filename)