Python Tkinter

 Python Tkinter

Tkinter ("Tk Interface")is python's standard cross-platform package for creating graphical user interfaces (GUIs). It provides access to an underlying Tcl interpreter with the Tk toolkit, which itself is a cross-platform, multilanguage graphical user interface library. 

Importing Tkinter in Python 3

from tkinter import*

from tkinter.tkk import*

root=Tk()

root.mainloop()