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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 get_commands_aliases_and_macros_for_completion(self) -> List[str]: """Return a list of visible commands, aliases, and macros for tab completion"""

        visible_commands = set(self.get_visible_commands())
        alias_names = set(self.get_alias_names())
        macro_names = set(self.get_macro_names())
        return list(visible_commands | alias_names | macro_names)