파이썬 위젯에 포커스 설정하는 법

import tkinter as tk
from tkinter import ttk

win = tk.Tk()

win.title("python gui")

def click_me():
    action.configure(text ="hello "+ name.get())


ttk.Label(win, text ="Enter a name :").grid(column =0, row =0)

name = tk.StringVar()
name_entered = ttk.Entry(win, width =12, textvariable= name)
name_entered.grid(column =0, row =1)



action = ttk.Button(win, text = "Click me!", command = click_me)
action.grid(column =1, row =1)


name_entered.focus()

win.mainloop()