Tkinter Frame relief属性

from tkinter import *

root = Tk()
root.title("apidemos.com")

fm1 = Frame(width=150,height=80,relief=GROOVE,borderwidth=5)
fm1.pack(side=LEFT,padx=5,pady=10)

fm2 = Frame(width=150,height=80,relief=RAISED,borderwidth=5)
fm2.pack(side=LEFT,padx=5,pady=10)

fm3 = Frame(width=150,height=80,relief=RIDGE,borderwidth=5)
fm3.pack(side=LEFT,padx=5,pady=10)

root.mainloop()