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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 initialize(self,*args,**kwargs):
 """ Only try to parse as JSON if the JSON content type header is set. """

        super(JSONHandler,self).initialize(*args,**kwargs)
        content_type = self.request.headers.get('Content-Type', '')
        if 'application/json' in content_type.lower():
            self._parse_json_body_arguments()