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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 create_app(self, apps_path, name):
 """ Create Trionyx app in given path :param str path: path to create app in. :param str name: name of app :raises FileExistsError: """

        app_path = os.path.join(apps_path, name.lower())

        shutil.copytree(self.app_path, app_path)

        self.update_file(app_path, '__init__.py', {
            'name': name.lower()
        })

        self.update_file(app_path, 'apps.py', {
            'name': name.lower(),
            'verbose_name': name.capitalize()
        })