小胖同学设计程序实现了将1-5的数如下方式打印出来,请根据运行结果将代码空白处填上合适的选项:（代码如下）
num1 = 1
while num1 <= 5:
num2 =1
while num2 <=5:
________
num2 += 1
print()
num1 += 1
运行结果是:
12345
print(num1)
print(num2)
print(num1,end =" ")
print(num2,end =" ")