Assignment-1

1. Click on 'Try It' button. This will open multiple windows.
2. Goto First window and click on 'Click Me' button
3. Print message from first window

Assignment-2

1. Click on 'Try It' button. This will open multiple windows.
2. Goto Second window and click on 'Click Me' button
3. Print message from second window

Assignment-3

1. Click on 'Try It' button. This will open multiple windows.
2. Goto all windows and click on 'Click Me' button
3. Print message from each window