Create a list of tuples with the values 1, 2, 3 and A, B, C in Python

Question

The list `l` has the following value : 
```python
[(1, 'A'),
 (1, 'B'),
 (1, 'C'),
 (2, 'A'),
 (2, 'B'),
 (2, 'C'),
 (3, 'A'),
 (3, 'B'),
 (3, 'C')]
```
Which of these definitions are correct ?

Accepted Answer

```python
l = [(x, y) for x in [1, 2, 3] for y in ['A', 'B', 'C']]
```

Answer

```python
l = [[(x, y) for y in ['A', 'B', 'C']] for x in [1, 2, 3]]
```

Answer

```python
l = [[(x, y) for x in [1, 2, 3]] for y in ['A', 'B', 'C']]
```

Answer

```python
l = [(x, y) for y in ['A', 'B', 'C'] for x in [1, 2, 3]]
```

Question from the Python - Fundamentals test

Create a list of tuples with the values 1, 2, 3 and A, B, C in Python