import tkinter as tk


window = tk.Tk()
button_1 = tk.Button(window, text="Ordinary button");
button_1.pack()
button_2 = tk.Button(window, text="Exceptional button")
button_2.pack()
button_2["borderwidth"] = 10
button_2["highlightthickness"] = 10
button_2["padx"] = 10
button_2["pady"] = 5
button_2["underline"] = 1
window.mainloop()