Tue Oct 19 17:25:18 2021 trapezoidal_test: Python version: 3.6.9 Test trapezoidal() humps_trapezoidal: Solve the humps ODE system using trapezoidal_fsolve(). Graphics saved as "humps_trapezoidal.png" predator_prey_trapezoidal: Solve the predator prey ODE system using trapezoidal(). Graphics saved as "predator_prey_trapezoidal.png" trapezoidal_test: Normal end of execution. Tue Oct 19 17:25:18 2021