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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 fetch_class(full_class_name):
 """Fetches the given class. :param string full_class_name: Name of the class to be fetched. """

    (module_name, class_name) = full_class_name.rsplit('.', 1)
    module = importlib.import_module(module_name)
    return getattr(module, class_name)