Add Python one-liner for sorting strings by last character

@@ -288,3 +288,9 @@ s = s.replace(char, "")

seen = set(); result = [x for x in my_list if not (x in seen or seen.add(x))]

```

**Example:** `[1, 2, 2, 3, 1] → [1, 2, 3]`

## Sort a list of strings by their last character

```python

sorted(strings, key=lambda x: x[-1])

```

**Example:** `['apple', 'banana', 'cherry'] → ['banana', 'apple', 'cherry']`