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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 stop_cmd(self, name, force):
 """ Stop the specified or all docker containers launched by us """

        check_permissions()

        if name:
            echo("Would stop container {0}".format(name))
        else:
            echo("Would stop all containers")
        echo("For now use 'docker stop' to stop the containers")