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# index\_min

### index\_min

Write a function `index_min` which takes two arguments. The first argument is a list, say `alist`. The second argument is a valid index value, `i`.

The function should return the index of the minimum value in the sublist of `alist` starting from index `i`.

#### Example

`[1, 2, 3], 0` => `0`\
`[1, 2, 3], 1` => `1`\
`[1, 10, 1000, 100], 2` => `3`

### Challenge 0

If `i` is not provided, default it to an appropriate value and the function should still work properly.

### Challenge 1

Refactor the code to only one line.