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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(linter):
 """Add the needed transformations and supressions. """


    linter.register_checker(MongoEngineChecker(linter))
    add_transform('mongoengine')
    add_transform('mongomotor')
    suppress_qs_decorator_messages(linter)
    suppress_fields_attrs_messages(linter)