Python why is textbox not defined

[freedom]

import tkinter as tk
window=tk.Tk()
commands=["delete😀eletes a line you choose",'print😛rints all the notes','Selfd:destroys the program']

def getext():
notes = boxoftext.get(1.0,tk.END)
filename="users.txt"
with open(filename,'a',encoding='utf-8') as f:
f.write(notes)
def printtext():
if textbox.get(1.0, tk.END)== "Help":
textbox.insert(tk.END, commands)
elif textbox.get(1.0, tk.END)== "print":
with open(filename, 'a', encoding='utf-8') as f:
textbox.insert(tk.End, f.read())
textbox = tk.Text(window,width=40,height=10,command=printtext())
textbox.pack
button=tk.Button(window,text=("Does this work"),width=25 ,height=5,command=getext)
button.pack()
boxoftext = Text(window,width=50 ,height=5)
boxoftext.pack()


window.mainloop()

 

[menator01]

Would be easier to read if you would use indentation. From what I can tell you have not defined textbox.Could you explain what the progam is supposed to do?