Sat Oct 3 15:53:31 2026 mark_points(): matplotlib version: 3.5.1 numpy version: 1.26.4 python version: 3.10.12 mark_points() plots a damped sine function over a range. Mark the first data point green, and the last one red.. Created data file "mark_points_data.txt" Created data file "mark_points_start_data.txt" Created data file "mark_points_end_data.txt" Created command file "mark_points_commands.txt" Sat Oct 3 15:53:31 2026