242 Valid Anagram

easy/242 Valid Anagram/solution.py

@@ -0,0 +1,13 @@
+class Solution:
+    def isAnagram(self, s: str, t: str) -> bool:
+        if len(s) != len(t):
+            return False
+        
+        s_dict = {}
+        for c in s:
+            s_dict[c] = s_dict.get(c, 0) + 1
+        for c in t:
+            s_dict[c] = s_dict.get(c, 0) - 1
+            if s_dict[c] < 0:
+                return False
+        return True