# 模拟输入 numbers = input("请输入12个整数，用空格隔开：").split() # 将输入的整数转换为整数列表 numbers = [int(num) for num in numbers] # 定义二维数组 a = [[0 for _ in range(4)] for _ in range(3)] # 将输入的整数按顺序保存到二维数组 for i in range(12): a[i // 4][i % 4] = numbers[i] # 输出数组 for row in range(3): for col in range(4): print(f"{a[row][col]:4}", end=" ") print()