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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 should_project(self, req):
 """ Check the given argument parameter to decide if projections needed. argument value is expected to be a list of strings """

        try:
            return req.args and json.loads(req.args.get('projections', []))
        except (AttributeError, TypeError):
            return False