mega changes -- transition to Python3

Java/PROJECT BACKUPS/2024-12-14 ProjectModels/Visualizer/Screen.java

@@ -0,0 +1,13 @@
+package Visualizer;
+
+import javax.swing.*;
+import java.awt.*;
+
+public class Screen extends JPanel {
+
+
+    public Screen(LayoutManager l) {
+        this.setLayout(l);
+        this.setVisible(true);
+    }
+}