from turtle import *
def kvadrat(n,a):
    if n>0:
        for k in range(4):
            fd(a); rt(90)
        rt(90); fd(a); lt(90)
    kvadrat(n-1,a)

title ('Kvadrati')
lt(90)
a = textinput('Duljina stranice','a = ')
a = int(a)
n = textinput('Broj kvadrata','n = ')
n = int(n)
kvadrat(n,a)