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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 _add_standard_attributes(cls):
 """Add attributes common to all state machines. These are methods for setting and checking state etc. """

        setattr(
            cls.context.new_class,
            cls.context.new_meta['state_attribute_name'],
            cls.context.state_value)
        setattr(
            cls.context.new_class,
            cls.context.state_name,
            utils.state_property)

        setattr(cls.context.new_class, 'is_', utils.is_)
        setattr(cls.context.new_class, 'can_be_', utils.can_be_)
        setattr(cls.context.new_class, 'set_', utils.set_)