Не работает программа

from tkinter import *
 
 
def clicked():
    n = int(input())
    suffix = ("год" if 11 <= n <= 19 or n % 10 == 1 else
              "года" if 2 <= n % 10 <= 4 else
              "лет")
    print(f"{n} {suffix}")
 
 
window = Tk()
window.title("Счетчик возраста")
window.geometry('400x250')
 
lbl1 = Label(window, text="введите число")
lbl1.grid(column=0, row=0)
lbl2 = Label(window, text="...")
lbl2.grid(column=2, row=1)
lbl2.config(text='...')
 
txt = Entry(window, width=10)
txt.grid(column=1, row=0)
 
btn = Button(window, text='Ок', command=clicked)
btn.grid(column=5, row=0)
 
window.mainloop()

from tkinter import *
 
 
def insert_text():
    s = "Hello World"
    text.insert(1.0, s)
 
 
def get_text():
    s = text.get(1.0, END)
    label['text'] = s
 
 
def delete_text():
    text.delete(1.0, END)
 
 
root = Tk()
 
text = Text(width=25, height=5)
text.pack()
 
frame = Frame()
frame.pack()
Button(frame, text="Вставить",
       command=insert_text).pack(side=LEFT)
Button(frame, text="Взять",
       command=get_text).pack(side=LEFT)
Button(frame, text="Удалить",
       command=delete_text).pack(side=LEFT)
 
label = Label()
label.pack()
 
root.mainloop()

text = Text(width=25, height=5)

def get_text():
    s = text.get(1.0, END)
    label['text'] = s