Fraktaali

X2 = "##\n#."

def block(x, y):
    xa = x.split('\n')
    ya = y.split('\n')

    za = "" 
    for i in range(0, len(xa)):
        za += xa[i] + ya[i] + "\n"
    return za[:-1]

def inv(x): 
    return x.replace('#', 'B').replace('.', '#').replace('B', '.')

def gen_block(x):
    new_X = (block(x, x) + "\n" + block(x, inv(x)))
    return new_X

#print(gen_block(gen_block(X2)))

inp = int(input())
def main():
    if(inp == 1):
        print("#")
        return

    if(inp == 2):
        print(X2)
        return

    ans = X2
    for i in range(0, inp-2):
        ans = gen_block(ans)

    print(ans)

main()

Test 1

Group: 1

Verdict: ACCEPTED

Test 2

Group: 2

Verdict: ACCEPTED

Test 3

Group: 3

Verdict: ACCEPTED

Test 4

Group: 4

Verdict: ACCEPTED

Test 5

Group: 5

Verdict: ACCEPTED

Test 6

Group: 6

Verdict: ACCEPTED

Test 7

Group: 7

Verdict: ACCEPTED

Test 8

Group: 8

Verdict: ACCEPTED

Test 9

Group: 9

Verdict: ACCEPTED

Test 10

Group: 10

Verdict: ACCEPTED