import tkinter as tk
from tkinter import ttk
def callbackFunc():
resultString.set("{} - {}".format(landString.get(),
cityString.get()))
app = tk.Tk()
app.title("Aimtocode")
app.geometry('200x100')
labelLand = tk.Label(app,
text = "Country")
labelLand.grid(column=0, row=0, sticky=tk.W)
labelCity = tk.Label(app,
text = "City")
labelCity.grid(column=0, row=1, sticky=tk.W)
landString = tk.StringVar()
cityString = tk.StringVar()
entryLand = tk.Entry(app, width=20, textvariable=landString)
entryCity = tk.Entry(app, width=20, textvariable=cityString)
entryLand.grid(column=1, row=0, padx=10)
entryCity.grid(column=1, row=1, padx=10)
resultButton = tk.Button(app, text = 'Get Result',
command=callbackFunc)
resultButton.grid(column=0, row=2, pady=10, sticky=tk.W)
resultString=tk.StringVar()
resultLabel = tk.Label(app, textvariable=resultString)
resultLabel.grid(column=1, row=2, padx=10, sticky=tk.W)
app.mainloop()