--- title: Longest item type: snippet language: python tags: [list,string] cover: keyboard-tea dateModified: 2021-10-17T18:24:43+02:00 --- Takes any number of iterable objects or objects with a length property and returns the longest one. - Use `max()` with `len()` as the `key` to return the item with the greatest length. - If multiple items have the same length, the first one will be returned. ```py def longest_item(*args): return max(args, key = len) ``` ```py longest_item('this', 'is', 'a', 'testcase') # 'testcase' longest_item([1, 2, 3], [1, 2], [1, 2, 3, 4, 5]) # [1, 2, 3, 4, 5] longest_item([1, 2, 3], 'foobar') # 'foobar' ```