diff --git a/strings/word_occurrence.py b/strings/word_occurrence.py
index 5a18ebf771e4..420aeba74df7 100644
--- a/strings/word_occurrence.py
+++ b/strings/word_occurrence.py
@@ -1,23 +1,22 @@
 # Created by sarathkaul on 17/11/19
 # Modified by Arkadip Bhattacharya(@darkmatter18) on 20/04/2020
-from collections import defaultdict
 
 
-def word_occurrence(sentence: str) -> dict:
+def word_occurrence(sentence: str) -> dict[str, int]:
     """
     >>> from collections import Counter
     >>> SENTENCE = "a b A b c b d b d e f e g e h e i e j e 0"
-    >>> occurence_dict = word_occurrence(SENTENCE)
-    >>> all(occurence_dict[word] == count for word, count
+    >>> occurrence_dict = word_occurrence(SENTENCE)
+    >>> all(occurrence_dict[word] == count for word, count
     ...     in Counter(SENTENCE.split()).items())
     True
     >>> dict(word_occurrence("Two  spaces"))
     {'Two': 1, 'spaces': 1}
     """
-    occurrence: defaultdict[str, int] = defaultdict(int)
-    # Creating a dictionary containing count of each word
+    occurrence: dict[str, int] = {}
+
     for word in sentence.split():
-        occurrence[word] += 1
+        occurrence[word] = occurrence.get(word, 0) + 1
     return occurrence