#TkinterEntry
Код из видео:

from tkinter import *

root = Tk()
root.title('Тестовое приложение')
root.geometry('1280x720')
root.resizable(width=False, height=False)

# root.config(bg = 'black')
root['bg'] = 'black'


def add():
e.insert(END, 'Hello')


def dele():
e.delete(0, END)


def get():
label1['text'] = e.get()


e = Entry(root, show="*")
e.pack()

btn1 = Button(root, font='Arial 15', text='insert', command=add)
btn1.pack()

btn2 = Button(root, font='Arial 15', text='delete', command=dele)
btn2.pack()

btn3 = Button(root, font='Arial 15', text='get', command=get)
btn3.pack()

label1 = Label(root, bg='black', fg='white')
label1.pack()


root.mainloop()