import tkinter as tk
window = tk.Tk()

title = tk.Label(text="CALCULATOR", background="blue", foreground="white", width="50")
title.pack()

descriptionText = tk.Label(text="Number 1:", background="white", foreground="black", width="50")
descriptionText.pack()

num1 = tk.Entry(fg="black", bg="white", width=50)
num1.pack()

descriptionText = tk.Label(text="Number 2:", background="white", foreground="black", width="50")
descriptionText.pack()

num2 = tk.Entry(fg="black", bg="white", width=50)
num2.pack()

resultText = tk.Label(text="The result is: ...", background="white", foreground="black", width="50")
resultText.pack()

def addButtonPressed(event):
  result = int(num1.get()) + int(num2.get())
  resultText.config(text = "The result is: " + str(result))

def subtractButtonPressed(event):
  result = int(num1.get()) - int(num2.get())
  resultText.config(text = "The result is: " + str(result)) 

def multiplyButtonPressed(event):
  result = int(num1.get()) * int(num2.get())
  resultText.config(text = "The result is: " + str(result))

def divideButtonPressed(event):
  result = int(num1.get()) / int(num2.get())
  resultText.config(text = "The result is: " + str(result)) 

addButton = tk.Button(
  text="+",
  width=10,
  height=2,
  bg="blue",
  fg="yellow",
)
addButton.pack(side=tk.LEFT)
addButton.bind("<Button-1>", addButtonPressed)

subtractButton = tk.Button(
  text="-",
  width=10,
  height=2,
  bg="blue",
  fg="yellow",
)
subtractButton.pack(side=tk.LEFT)
subtractButton.bind("<Button-1>", subtractButtonPressed)

multiplyButton = tk.Button(
  text="*",
  width=10,
  height=2,
  bg="blue",
  fg="yellow",
)
multiplyButton.pack(side=tk.LEFT)
multiplyButton.bind("<Button-1>", multiplyButtonPressed)

divideButton = tk.Button(
  text="/",
  width=10,
  height=2,
  bg="blue",
  fg="yellow",
)
divideButton.pack(side=tk.LEFT)
divideButton.bind("<Button-1>", divideButtonPressed)

window.mainloop()