Python - tkinter小部件的数组随点击radiobutton而改变

I'm working on a GUI in Python using tkinter. I'm reading a text file in and creating GUI elements dynamically based on the lines in the text file. I have an array for each of my element types, which include labels, radiobutton variables (StringVars), and colored circles (drawn with create_oval). My goal is that when the user changes a radiobutton from "not assigned" to "in" or "out", the colored circle on that line will change from yellow to green. Here's how the GUI looks after the text file has been read in:I'm working on a GUI in Python using tkinter. I