How to display data from a text document in Tkinter?

Question

Python

Please tell me how to display data from a text editor in Tkinter.

Answer 1

via variable
or via file

Answer 2

Example:

from tkinter import *

root = Tk()
text = open('file.txt', encoding='utf-8').readlines()
text = ''.join(text)
textline = Text(root)
textline.insert(1.0, text)
textline.pack()
root.mainloop()

Required:
textline.insert(1.0, 'ТЕКСТ')