[백준] 2523번 : 별 찍기-13 - Python(파이썬)

https://www.acmicpc.net/problem/2523

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