from tkinter import *
from random import randint

def klik():
    global o
    o.destroy()


def skok(z):
    global b1,a,b
    a=(randint(30,400))
    b=(randint(30,400))
    b1.place(x=a,y=b)

o = Tk( )
o.title("Irytator")

o.geometry("500x500+100+100")
a=0
b=0

b1 = Button(o,text="Złap mnie",command=klik)
b1.bind("<Enter>", skok)
b1.place(x=a,y=b)
o.mainloop()