使用Python编写一个程序，查找给定数组中所有被3整除的数字。 
lst: [4, 3, 6, 9, 12, 15, 17, 21, 24, 27, 30]
```python
lst = [4, 3, 6, 9, 12, 15, 17, 21, 24, 27, 30]

result = [i for i in lst if i % 3 == 0]

print(result)
```

输出：

```
[3, 6, 9, 12, 15, 21, 24, 27, 30]
```