백준 2445 파이썬

n =int(input()) 

for i in range(n): 
    print(' '*(n-i-1)+'*'*(((i+1)*2)-1)) 

for j in range(n): 
    print(' '*(j+1)+'*'*(((n-j-1)*2)-1))a=int(input()) 

b=a 

for i in range(1,a+1): 

    print('*'*(i)+' '*(2*(b-i))+'*'*(i)) 

for k in range(1,b+1): 

    print('*'*(b-k)+' '*(2*k)+'*'*(b-k))