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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 _make_tuple(self, env):
 """Instantiate the Tuple based on this TupleNode."""

    t = runtime.Tuple(self, env, dict2tuple)
    # A tuple also provides its own schema spec
    schema = schema_spec_from_tuple(t)
    t.attach_schema(schema)
    return t