update insertion_sort

snippets/compact.md

@@ -1,14 +1,14 @@
-### compact
-
-Removes falsey values from a list.
-
-Use `filter()` to filter out falsey values (False, None, 0, and "").
-
-```python
-def compact(arr):
-    return list(filter(lambda x: bool(x), arr))
-```
-
-``` python
-compact([0, 1, False, 2, '', 3, 'a', 's', 34]) # [ 1, 2, 3, 'a', 's', 34 ]
+### compact
+
+Removes falsey values from a list.
+
+Use `filter()` to filter out falsey values (False, None, 0, and "").
+
+```python
+def compact(arr):
+    return list(filter(lambda x: bool(x), arr))
+```
+
+``` python
+compact([0, 1, False, 2, '', 3, 'a', 's', 34]) # [ 1, 2, 3, 'a', 's', 34 ]
 ```