update insertion_sort

snippets/difference.md

@@ -1,14 +1,14 @@
-### difference
-
-Returns the difference between two arrays.
-
-Create a `set` from `b`, then use list comprehension to only keep values not contained in `b`
-
-```python
-def difference(a, b):
-    b = set(b)
-    return [item for item in a if item not in b]
-```
-``` python
-difference([1, 2, 3], [1, 2, 4]) # [3]
+### difference
+
+Returns the difference between two arrays.
+
+Create a `set` from `b`, then use list comprehension to only keep values not contained in `b`
+
+```python
+def difference(a, b):
+    b = set(b)
+    return [item for item in a if item not in b]
+```
+``` python
+difference([1, 2, 3], [1, 2, 4]) # [3]
 ```