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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 get_class_from_module(module, class_name):
 """ Returns a class from a module and a class name parameters. This function is used by get_class_from_config and get_class_from_name. Example: :param basestring module: The module name. :param basestring class_name: The class name. :return: The class resolved by the module and class name provided. """

    import importlib
    module = importlib.import_module(module)
    return getattr(module, class_name)