Tkinter is a standard library in Python that is used to create Graphical User Interface (GUI) based desktop applications. It is pronounced (Tk inter).  You can learn more about Tkinter in the tkinter tutorial.

How to create pop-up menus in tkinter?

from tkinter import *

root = Tk()

w = Label(root, text="Right-click to display menu", width=40, height=20)
w.pack()

# create a menu
popup = Menu(root, tearoff=0)
popup.add_command(label="Next") # , command=next) etc...
popup.add_command(label="Previous")
popup.add_separator()
popup.add_command(label="Home")

def do_popup(event):
    # display the popup menu
    try:
        popup.tk_popup(event.x_root, event.y_root, 0)
    finally:
        # make sure to release the grab (Tk 8.0a1 only)
        popup.grab_release()

w.bind("<Button-3>", do_popup)

b = Button(root, text="Quit", command=root.destroy)
b.pack()

mainloop()