grid_tk

!/usr/bin/env python
# -*- coding: utf-8 -*-
#
# posicionamiento grid

import tkinter as tk
from tkinter import ttk

ventana = tk.Tk()
ventana.title("Posicionamiento grid")
ventana.config(bg="Light Steel Blue")

# expansión horizontal columna 1
ventana.columnconfigure(1, weight=1)

# expansion vertical fila 1
ventana.rowconfigure(1, weight=1)







entry = ttk.Entry()
entry.grid(row=0, column=0)

boton = ttk.Button(text="Hola")

# anclaje (sticky) n,s, w,e y espaciado
boton.grid(row=1, column=1, sticky="nsew", padx= 100, pady=50)



entry = ttk.Entry()
entry.grid(row=2, column=2)


ventana.mainloop()