code: def run_step0(self):
          
          dae = self.system.dae
          system = self.system
  
          self.inc = zeros(dae.m + dae.n, 1)
          system.varout.store(self.t, self.step)
  
          self.streaming_step()
docs: For the 0th step, store the data and stream data
  
          Returns
          -------
          None