Issue #4

snippets/compact.md

@@ -6,9 +6,9 @@ Use `filter()` to filter out falsey values (False, None, 0, and "").
 
 ```python
 def compact(arr):
-    return list(filter(lambda x: bool(x), arr))
+    return list(filter(bool, arr))
 ```
 
 ``` python
 compact([0, 1, False, 2, '', 3, 'a', 's', 34]) # [ 1, 2, 3, 'a', 's', 34 ]
-```
+```