<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def update(self):
 """Update |QFactor| based on |FT| and the current simulation step size. qfactor(0.115741) """

        con = self.subpars.pars.control
        self(con.ft*1000./self.simulationstep.seconds)