from tkinter import *
import tkinter.messagebox
#def logVali():
form = Tk()
form.title("Log in screen")
form.geometry("700x200+300+200")
txtVar = StringVar(None)
usrIn = Entry(form, textvariable = txtVar, width = 50)
usrIn.grid(row = 30, column = 40)
usrIn.pack()
form.mainloop()