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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 get_time_step(self):
 """ returns current time step of simulation """

        time_step = c_double()
        self.library.get_time_step.argtypes = [POINTER(c_double)]
        self.library.get_time_step.restype = None
        self.library.get_time_step(byref(time_step))
        return time_step.value