Entry Widget

 entry.py

#!/usr/bin/python3

from tkinter import *

root =Tk()

myLabel = Label(root)

e = Entry(root, width=50, bg='black', fg='white')

e.pack()

e.insert(0,"Tommy")

#button Function

def myClick():

    global myLabel

    myLabel.destroy()

    Hello = "Hello " + e.get()

    myLabel = Label(root, text=Hello)

    myLabel.pack()

#button calls Function - MyClick

myButton = Button(root, text="Type your name,", command=myClick)

#put Buttons in Window-root

myButton.pack()

root.mainloop( )