diff --git a/buggy.py b/buggy.py
--- a/buggy.py
+++ b/buggy.py
@@ -5,11 +5,13 @@
 import bisect
 import itertools
 import functools
+
+
 class Solution:
     def arrayStringsAreEqual(self, word1: List[str], word2: List[str]) -> bool:
-        word3=/*.join(word1)
-        word4=/*.join(word2)
-        if word3==word4:
+        word3 = "".join(word1)
+        word4 = "".join(word2)
+        if word3 == word4:
             return True
         else:
             return False
