# tk_optionmenu2.py

# tk_optionmenu2.py

import tkinter as tk
import tkinter.ttk as ttk

root = tk.Tk()
root.geometry("160x120")
root.title("Tk OptionMenu")
lst = ["Value A", "Value B", "Value C"]

# ttk.OptionMenu
var_option_ttk = tk.StringVar()
optionmenu_ttk = ttk.OptionMenu(
    root,
    var_option_ttk,
    lst[0],
    *lst)
optionmenu_ttk.pack(side=tk.LEFT, padx=10, pady=10, anchor=tk.N)

root.mainloop()