text: from tkinter import *
  
  # start
  root = Tk()
  
  # business logic
  entry = Entry(root, width=50, borderwidth=3)
  entry.pack()
  entry.insert(0, "Enter your name ")
  
  def click_me():
      # entry.get()
      hello = 'Hello ' + entry.get()
      label = Label(root, text=hello)
      label.pack()
  
  button = Button(root, text='Submit', command=click_me)
  button.pack()
  
  # end
  root.mainloop()