1. 문제 출처
https://www.acmicpc.net/problem/10995
2. 풀이
N = int(input())
for i in range(N):
a = "* "*N if i%2==0 else (" "+"* "*N )
print(a)
https://www.acmicpc.net/problem/10995
N = int(input())
for i in range(N):
a = "* "*N if i%2==0 else (" "+"* "*N )
print(a)