Update frequencies.md

snippets/frequencies.md

@@ -6,14 +6,15 @@ tags: list,intermediate
 Returns a dictionary with the unique values of a list as keys and their frequencies as the values.
 
 - Use `collections.defaultdict()` to store the frequencies of each unique element.
-- Use `dict()` constructor to return a dictionary with the unique elements of the list as keys and their frequencies as the values.
+- Use `dict()` to return a dictionary with the unique elements of the list as keys and their frequencies as the values.
 
 ```py
 from collections import defaultdict
+
 def frequencies(lst):
   freq = defaultdict(int)
   for val in lst:
-    freq[val]+=1
+    freq[val] += 1
   return dict(freq)
 ```