for i in range(3): str = '' for j in range(5-i): if i == j&nbs***bsp;i + j == 4 : str += 'v' else : str += ' ' print(str) 最笨的方法了,就是去凑答案
# 方法一 print('v v\n v v \n v ') # 方法二 print('v v') print(' v v ') print(' v ') # 方法三 n = 3 for row in range(n): str = '' for num in range(2*n-1): if num == row&nbs***bsp;num == 2*n-2-row: str += 'v' else: str += ' ' print(str)