Code8-4.py

# 버튼 만들기

from tkinter import *
from tkinter import messagebox

def clickButton():
    messagebox.showinfo('버튼 클릭', '버튼을 눌렀습니다.')

root = Tk()
root.geometry("200x200")

button1 = Button(root, text='여기를 클릭하세요', fg='red', bg='yellow', command=clickButton)
button1.pack(expand = 1)

root.mainloop()