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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 listofmodeluserfunctions(self):
 """User functions of the model class."""

        lines = []
        for (name, member) in vars(self.model.__class__).items():
            if (inspect.isfunction(member) and
                    (name not in ('run', 'new2old')) and
                    ('fastaccess' in inspect.getsource(member))):
                lines.append((name, member))
        run = vars(self.model.__class__).get('run')
        if run is not None:
            lines.append(('run', run))
        for (name, member) in vars(self.model).items():
            if (inspect.ismethod(member) and
                    ('fastaccess' in inspect.getsource(member))):
                lines.append((name, member))
        return lines