CODE EXAMPLE FOR PYTHON

python tkinter

from tkinter import *
#This is a simple app with buttons
#I hope you like it! :)
root = Tk()
root.geometry("400x400")
root.config(bg="gray")
root.
title ="Cool App"
root.title(" ")
def Do():
  global title
  Value = Placeholder.get()
  title = Value
  root.title(title)

Placeholder = Entry(root,font=("serif",14))
Placeholder.pack()
Placeholder.focus()
Settings = Button(root,text="Settings",font="14")
Settings.place(x=350,y=330)
EditName = Button(root,text="Edit this App Name",bg="blue",activebackground="blue",font=("serif",15),command=Do)
EditName.pack()
root.mainloop()