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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 aimport_module(self, module_name):
 """Import a module, and mark it reloadable Returns ------- top_module : module The imported module if it is top-level, or the top-level top_name : module Name of top_module """

        self.mark_module_reloadable(module_name)

        import_module(module_name)
        top_name = module_name.split('.')[0]
        top_module = sys.modules[top_name]
        return top_module, top_name