如何打印中空金字塔图案？

def print_hollow_pyramid(rows):
    for i in range(rows):
        for j in range(rows-i-1):
            print(" ", end="")
        for j in range(i+1):
            if j == 0 or j == i or i == rows-1:
                print("* ", end="")
            else:
                print("  ", end="")
        print()

# 示例调用
print_hollow_pyramid(5)

    * 
   * * 
  *   * 
 *     * 
* * * * *