16. tk Scrollbar

See: https://docs.python.org/3/library/tkinter.html#tkinter.Scrollbar

See: https://www.geeksforgeeks.org/python-tkinter-scrollbar/

e.g scrollbar = tk.Scrollbar(root) scrollbar.pack(side="right", fill="y")

text = tk.Text(root, yscrollcommand=scrollbar.set)

scrollbar.config(command=text.yview)