BOJ - 13015 - 별 찍기 - 23

def drawFirstLastLine(N):
    for i in range(4 * N - 3):
        if N <= i <= 3 * N - 4:print(" ", end="")
        else: print("*", end="")
    print("")

def drawMiddleLine(N):
    drawNull(N-1)
    drawStar(1)
    drawNull(N-2)
    drawStar(1)
    drawNull(N-2)
    drawStar(1)
    print("")

def drawStar(N): print("*"*N, end="")

def drawNull(N): print(" "*N, end="")

def solution():
    N = int(input())
    drawFirstLastLine(N)

    for i in range(1, N-1):
        drawNull(i)
        drawStar(1)
        drawNull(N-2)
        drawStar(1)
        drawNull((2 * N) - (2 * i) - 3)
        drawStar(1)
        drawNull(N-2)
        drawStar(1)
        print("")

    drawMiddleLine(N)

    for i in range(N-2, 0, -1):
        drawNull(i)
        drawStar(1)
        drawNull(N - 2)
        drawStar(1)
        drawNull((2 * N) - (2 * i) - 3)
        drawStar(1)
        drawNull(N - 2)
        drawStar(1)
        print("")

    drawFirstLastLine(N)
solution()

https://www.acmicpc.net/problem/13015