题解 | 带空格直角三角形图案

while True:
    try:
        n = int(input())
        for i in range(1,n+1):
            k = n - i
            for j in range(n-1):
                if j < k:
                    print(' ',end=' ')
                else:
                    print('*',end=' ')
            print("*")
    except EOFError:
        break