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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_conversion_steps(self, converters: List[Converter], inplace: bool = False):
 """ Utility method to add converters to this chain. If inplace is True, this object is modified and None is returned. Otherwise, a copy is returned :param converters: the list of converters to add :param inplace: boolean indicating whether to modify this object (True) or return a copy (False) :return: None or a copy with the converters added """

        check_var(converters, var_types=list, min_len=1)
        if inplace:
            for converter in converters:
                self.add_conversion_step(converter, inplace=True)
        else:
            new = copy(self)
            new.add_conversion_steps(converters, inplace=True)
            return new