# Python 嵌套for循环


#### 嵌套for循环

- `for循环`中的`for循环`

##### 代码

```python
# coding:utf-8

a = [1, 2, 3]
b = [4, 5, 6]

for i in a:
    print(i)
    print('------')
    for j in b:
        print(i + j)
    print('=======')

print(i, j)
```