有一天小明说脏话时被老师听到了，结果被罚在黑板上写 n 遍"I don't say swear words!"。
I don't say swear words!
输入只有一行，其中含有一个正整数n(1≤n≤10)，代表被罚写的次数。
输出 n 行"I don't say swear words!"。
2
I don't say swear words! I don't say swear words!
启蒙-循环结构