Python 函数实现对称星号图案打印 - 代码示例与解释

def print_pattern(n):\n for i in range(1, n+1):\n for j in range(1, 2i):\n print("", end="")\n print()\n \n for i in range(n-1, 0, -1):\n for j in range(1, 2i):\n print("", end="")\n print()\n \nprint_pattern(1)\nprint_pattern(2)\nprint_pattern(3)\nprint_pattern(4)