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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 register(name: str):
 """ Registers a coverage extractor class under a given name. .. code: python from bugzoo.mgr.coverage import CoverageExtractor, register @register('mycov') class MyCoverageExtractor(CoverageExtractor):
 """

    def decorator(cls: Type['CoverageExtractor']):
        cls.register(name)
        return cls
    return decorator