Tue Oct 19 17:25:19 2021 trapezoidal_fixed_test: Python version: 3.6.9 Test trapezoidal_fixed(). humps_trapezoidal_fixed: Solve the humps ODE system using trapezoidal_fixed(). Graphics saved as "humps_trapezoidal_fixed.png" predator_prey_trapezoidal_fixed(): Solve the predator prey ODE system using trapezoidal_fixed(). Graphics saved as "predator_prey_trapezoidal_fixed.png" trapezoidal_fixed_test: Normal end of execution. Tue Oct 19 17:25:19 2021