A=[ 13, 5, 17, 6 ]

n=A.index(minA))

Определите значение переменной n.

The code you provided seems to be incomplete and contains some errors. However, I can help you fix it.

If you want to find the index of the minimum value in the list A, you can use the `index()` method. Here's the corrected code:

```python
A = [13, 5, 17, 6]
n = A.index(min(A))
```

In this code, `min(A)` returns the minimum value in the list A, and `A.index(min(A))` returns the index of that minimum value. The value of n will be the index of the minimum value in the list A.

In this case, the minimum value in the list A is 5, and its index is 1. Therefore, the value of n will be 1.