Getting a column#
### The following 3x4 image is given as a 2D list ```colorful```.

<br>
What code will print the RGB information in the following image:<br>

1. [ ] ```
    for row in range(3):
        print(colorful[row][0])
    ```
2. [ ] ```
    for column in range(3):
        print(colorful[row][2])
    ```
3. [ ] ```
    for column in range(3):
        print(colorful[row][3])
    ```
4. [x] ```
    for column in range(3):
        print(colorful[row][1])
    ```