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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 from_dict(config_cls, dictionary, validate=False):
 """ Loads an instance of ``config_cls`` from a dictionary. :param type config_cls: The class to build an instance of :param dict dictionary: The dictionary to load from :param bool validate: Preforms validation before building ``config_cls``, defaults to False, optional :return: An instance of ``config_cls`` :rtype: object """


    return _build(config_cls, dictionary, validate=validate)