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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 find_inherited_key_completions(rootpath, root_env):
 """Return completion keys from INHERITED tuples. Easiest way to get those is to evaluate the tuple, check if it is a CompositeTuple, then enumerate the keys that are NOT in the rightmost tuple. """

  tup = inflate_context_tuple(rootpath, root_env)
  if isinstance(tup, runtime.CompositeTuple):
    keys = set(k for t in tup.tuples[:-1] for k in t.keys())
    return {n: get_completion(tup, n) for n in keys}
  return {}