update insertion_sort

snippets/count_occurences.md

@@ -1,18 +1,18 @@
-### count_occurences
-
-:information_source: Already implemented via `list.count()`.
-
-Counts the occurrences of a value in an list.
-
-Uses the `reduce` functin from built-in module `functools` to increment a counter each time you encounter the specific value inside the list.
-
-```python
-def count_occurences(arr, val):
-    return reduce(
-        (lambda x, y: x + 1 if y == val and type(y) == type(val) else x + 0),
-        arr)
-```
-
-```python
-count_occurrences([1, 1, 2, 1, 2, 3], 1) # 3
+### count_occurences
+
+:information_source: Already implemented via `list.count()`.
+
+Counts the occurrences of a value in an list.
+
+Uses the `reduce` functin from built-in module `functools` to increment a counter each time you encounter the specific value inside the list.
+
+```python
+def count_occurences(arr, val):
+    return reduce(
+        (lambda x, y: x + 1 if y == val and type(y) == type(val) else x + 0),
+        arr)
+```
+
+```python
+count_occurrences([1, 1, 2, 1, 2, 3], 1) # 3
 ```