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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 update(self):
 """Update |QFactor| based on |Area| and the current simulation step size. qfactor(1.157407) """

        self(self.subpars.pars.control.area*1000. /
             self.subpars.qfactor.simulationstep.seconds)