如何更改条目文本大小？(Tkinter)

entry = Entry(root)

entry.config(font=("Arial", 12))

from tkinter import *

root = Tk()

entry = Entry(root)
entry.pack()

def change_text_size():
    entry.config(font=("Arial", 12))

button = Button(root, text="更改文本大小", command=change_text_size)
button.pack()

root.mainloop()