How to put a label under a button with tkinter

from tkinter import *
from tkinter import filedialog

root = Tk()
root.geometry("500x500")
root.columnconfigure(2, weight=1)

def OpenNewFile():
    global folder_path
    filename = filedialog.askdirectory()
    folder_path.set(filename)
    newlabel.config(text=filename)

def OpenOldFile():
    global folder_path
    filename = filedialog.askdirectory()
    folder_path.set(filename)
    oldlabel.config(text=filename)   

folder_path = StringVar()

oldlabel = Label(root,text = "")
newlabel = Label(root,text = "")
label = Label(root,text = "New Flie Finder") 
new_folder = Button(root, text="browse new folder",command=OpenNewFile)
old_folder = Button(root, text="browse old folder",command=OpenOldFile)

label.pack()
new_folder.pack(side=LEFT,anchor=N)
old_folder.pack(side=RIGHT,anchor=N)
newlabel.pack(anchor=W)
oldlabel.pack(anchor=E)



root.mainloop()