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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 load_configuration(linter):
 """ Amend existing checker config. """

    name_checker = get_checker(linter, NameChecker)
    name_checker.config.good_names += ('qs', 'urlpatterns', 'register', 'app_name', 'handler500')

    # we don't care about South migrations
    linter.config.black_list += ('migrations', 'south_migrations')