From 93823602f7a012bd6424795fb3e11b08406662f6 Mon Sep 17 00:00:00 2001 From: Angelos Chalaris Date: Sun, 22 Sep 2019 15:32:10 +0300 Subject: [PATCH] Resolves #104 --- snippets/every.md | 10 +++------- 1 file changed, 3 insertions(+), 7 deletions(-) diff --git a/snippets/every.md b/snippets/every.md index 322d8b081..dde0f1a03 100644 --- a/snippets/every.md +++ b/snippets/every.md @@ -5,15 +5,11 @@ tags: list,function,intermediate Returns `True` if the provided function returns `True` for every element in the list, `False` otherwise. -Iterate over the elements of the list to test if every element in the list returns `True` based on `fn`. -Omit the seconds argument, `fn`, to check if all elements are `True`. +Use `all()` in combination with `map` and `fn` to check if `fn` returns `True` for all elements in the list. ```py -def every(lst, fn=lambda x: not not x): - for el in lst: - if not fn(el): - return False - return True +def every(lst, fn=lambda x: x): + return all(map(fn, lst)) ``` ```py