Tue Oct 19 11:59:42 2021 midpoint_fixed_test: Python version: 3.6.9 Test midpoint_fixed method for solving an ordinary differential equation. midpoint_fixed_humps_test: Solve the humps ODE system using midpoint_fixed(). Graphics saved as "midpoint_fixed_humps.png" midpoint_fixed_predator_prey_test: Solve the predator prey ODE system using midpoint_fixed(). Graphics saved as "midpoint_fixed_predator_prey.png" midpoint_test: Normal end of execution. Tue Oct 19 11:59:42 2021