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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_implicit_deps(self):
 """Return the executor's implicit dependencies, i.e. the nodes of the commands to be executed."""

        result = []
        build_env = self.get_build_env()
        for act in self.get_action_list():
            deps = act.get_implicit_deps(self.get_all_targets(),
                                         self.get_all_sources(),
                                         build_env)
            result.extend(deps)
        return result