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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 execute(self):
 """ Execute the actions necessary to perform a `molecule lint` and returns None. :return: None """

        self.print_info()
        linters = [
            l for l in [
                self._config.lint,
                self._config.verifier.lint,
                self._config.provisioner.lint,
            ] if l
        ]

        for l in linters:
            l.execute()