[fix] issue #20

snippets/count_occurences.md

@@ -4,18 +4,13 @@
 
 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.
+Uses the list comprehension to increment a counter each time you encounter the specific value inside the list.
 
 ```python
-from functools import reduce
-
-
-def count_occurences(arr, val):
-    return reduce(
-        (lambda x, y: x + 1 if y == val and type(y) == type(val) else x + 0),
-        arr)
+def count_occurrences(lst, val):
+	return len([x for x in lst if x == val and type(x) == type(val)])
 ```
 
 ```python
 count_occurrences([1, 1, 2, 1, 2, 3], 1) # 3
-```
+```