Wed Jan  4 08:33:43 2023

rk34_test():
  Python version: 3.6.9
  Test rk34().
  Graphics saved as "predator_rk3_plot.png"
  Graphics saved as "predator_rk3_phase.png"
  Graphics saved as "predator_rk4_plot.png"
  Graphics saved as "predator_rk4_phase.png"

rk34_test():
  Normal end of execution.
Wed Jan  4 08:33:43 2023