题解 | #空心三角形图案#
空心三角形图案
http://www.nowcoder.com/practice/2ccc5fca423e47f0b622fe6f151cfab4
#当成二维数组
while True:
try:
n = int(input())
for i in range(1,n+1):
for j in range(1,n+1):
if i == j or j == 1 or i == n:
print('* ', end='')
else:
print(' ', end=(''))
print()
except:
break