from tkinter import *
from tkinter import ttk

def func(e):
    pass

root = Tk ()
root.geometry("800x600+400+300")


b = ttk.Button()
b.configure(text="Натисни мене")
b.place(x=100, y=100, height=50, width=100)
b.bind("<Button-1>", func)

a = Entry()
a.configure(font="Arial 20",justify="center")
a.place(x=120, y=300, height=50, width=200)


l = Label()
l.configure(font="Arial 20",justify="center")
l.place(x=320, y=300, height=50, width=200)

root.mainloop()