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# Group and Sort Array Items
## Question
[Sloth Bytes | 2024-07-09](https://slothbytes.beehiiv.com/p/tech-stacks?utm_source=slothbytes.beehiiv.com&utm_medium=newsletter&utm_campaign=does-tech-stack-matter)
```
Advanced List Sort
Create a function that takes a list of numbers or strings and returns a list with the items from the original list stored into sub lists. Items of the same value should be in the same sub list.
Examples
advanced_sort([2, 1, 2, 1]) ➞ [[2, 2], [1, 1]]
advanced_sort([5, 4, 5, 5, 4, 3]) ➞ [[5, 5, 5], [4, 4], [3]]
advanced_sort(["b", "a", "b", "a", "c"]) ➞ [["b", "b"], ["a", "a"], ["c"]]
Notes
The sub lists should be returned in the order of each element's first appearance in the given list.
```
## Description
This utility takes a user input of numbers or strings (or both), groups them based on their value, and then sorts these group in order.