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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 load_module(filename):
 """ Loads a module by filename """

  basename = os.path.basename(filename)
  path = os.path.dirname(filename)
  sys.path.append(path)
  # TODO(tlan) need to figure out how to handle errors thrown here
  return __import__(os.path.splitext(basename)[0])