[python] 백준 : 별 찍기 - 9 (2446번)

n = int(input())
for i in range(0, n):
    for j in range(0, 1*i):
        print(" ",end="")
    for j in range(0, 2*(n-i)-1):
        print("*",end="")
    print(" ")
for i in range(1, n):
    for j in range(0, n-i-1):
        print(" ",end="")
    for j in range(0, 2*i+1):
        print("*",end="")
    print(" ")