Use `list.sort()` to sort the list in place
Use `sorted(list)` to return a new sorted list
Use `list.sort(reverse=True)` to sort in descending order
Use `sorted(list, reverse=True)` to get a new list in descending order
Use `list.sort(key=…)` to sort with a custom key
Use `sorted(list, key=…)` to sort with a custom key
Use `list.sort(key=str.lower)` to sort strings case-insensitively
Use `sorted(list, key=len)` to sort by length
Use `list.sort()` for mutable lists when you want to modify the original
Use `sorted()` when you want to keep the original list unchanged