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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 require_condition(cls, expr, message, *format_args, **format_kwds):
 """ used to assert a certain state. If the expression renders a false value, an exception will be raised with the supplied message :param: message: The failure message to attach to the raised Buzz :param: expr: A boolean value indicating an evaluated expression :param: format_args: Format arguments. Follows str.format convention :param: format_kwds: Format keyword args. Follows str.format convetion """

        if not expr:
            raise cls(message, *format_args, **format_kwds)