def print_spiral(n): # 创建一个空的n*n的二维列表 spiral = [[0] * n for _ in range(n)]

# 定义四个方向
directions = [(0, 1), (1, 0), (0, -1), (-1, 0)]
direction_index = 0

row = 0
col = 0

for num in range(1, n * n + 1):
    spiral[row][col] = num
    
    # 判断下一个位置是否越界或已经被填充过，如果是则改变方向
    next_row = row + directions[direction_index][0]
    next_col = col + directions[direction_index][1]
    if next_row < 0 or next_row >= n or next_col < 0 or next_col >= n or spiral[next_row][next_col] != 0:
        direction_index = (direction_index + 1) % 4
    
    # 更新行和列的值
    row += directions[direction_index][0]
    col += directions[direction_index][1]

# 打印结果
for row in spiral:
    for num in row:
        print('{:02d}'.format(num), end=" ")
    print()

测试

n = int(input('请输入正方形的行(或列)元素个数n(n>=3，n<=9): ')) print_spiral(n)