from tkinter import *

def button_click():

a = int(str_var1.get())

selection = "Число просте"

arduino

for i in range(2, a):

if (a % i == 0):

selection = "Число не просте"

break

label1.config(text=selection)

root = Tk()

str_var1 = StringVar()

entry1 = Entry(root, textvariable=str_var1)

entry1.pack()

button1 = Button(root, text="Перевірити", command=button_click)

button1.pack()

label1 = Label(root, text="")

label1.pack()

root.mainloop()