code: def status(self):
          
          from rebound import __version__, __build__
          s= ""
          s += "---------------------------------\n"
          s += "REBOUND version:     \t%s\n" %__version__
          s += "REBOUND built on:    \t%s\n" %__build__
          s += "Number of particles: \t%d\n" %self.N       
          s += "Selected integrator: \t" + self.integrator + "\n"       
          s += "Simulation time:     \t%.16e\n" %self.t
          s += "Current timestep:    \t%f\n" %self.dt
          if self.N>0:
              s += "---------------------------------\n"
              for p in self.particles:
                  s += str(p) + "\n"
          s += "---------------------------------"
          print(s)
docs: Prints a summary of the current status 
          of the simulation.