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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 autodoc_applicationmodel(module):
 """Improves the docstrings of application models when called at the bottom of the respective module. |autodoc_applicationmodel| requires, similar to |autodoc_basemodel|, that both the application model and its base model are defined in the conventional way. """

    autodoc_tuple2doc(module)
    name_applicationmodel = module.__name__
    name_basemodel = name_applicationmodel.split('_')[0]
    module_basemodel = importlib.import_module(name_basemodel)
    substituter = Substituter(module_basemodel.substituter)
    substituter.add_module(module)
    substituter.update_masters()
    module.substituter = substituter