from tkinter import * root = Tk() root.title("Aimtocode") scrollbar = Scrollbar(root) scrollbar.pack(side=RIGHT, fill=Y) listbox = Listbox(root) listbox.pack() for i in range(100): listbox.insert(END, i) # attach listbox to scrollbar listbox.config(yscrollcommand=scrollbar.set) scrollbar.config(command=listbox.yview) root.mainloop()