When writing scripts that use matplotlib, I temporally get an interactive graphing window when I run the script, which immediately goes away before I can view the plot. If I
According to the documentation, there's an experimental block parameter you can pass to plt.show(). Of course, if your version of matplotlib isn't new enough, it won't have this.
If you have this feature, you should be able to replace plt.show() with plt.show(block=True) to get your desired behavior.