# Tk_menu.py

# Tk_menu.py

from tkinter import *
from tkinter import ttk

def test(menu_name, items):
    print(menu_name)
    print(items)

class items_menu():
    def __init__(self, name):
        menubutton = ttk.Menubutton(text=name)
        menubutton.grid(column=0, row=0, sticky=(N, S, E, W))
        menubutton.menu = Menu(menubutton)
        menubutton["menu"] = menubutton.menu
        dict = {}
        for menu_name in ["Menu A", "Menu B", "Menu C"]:
            dict[menu_name] = Menu(menubutton.menu)
            menubutton.menu.add_cascade(label=menu_name, menu=dict[menu_name])
            for items in ["@: item 1", "@: item 2", "@: item 3"]:
                items = items.replace('@',menu_name[-1])
                dict[menu_name].add_command(label=items, command=lambda menu_name=menu_name, items=items: test(menu_name, items))
if __name__ == "__main__":
    win = Tk()
    items_menu("Menu")
    win.mainloop()