garciparedes
diff --git a/‎problems/2124_check_if_all_as_appears_before_all_bs.py
Lines changed: 10 additions & 0 deletions b/‎problems/2124_check_if_all_as_appears_before_all_bs.py
Lines changed: 10 additions & 0 deletions
@@ -0,0 +1,10 @@
+class Solution:
+    def checkString(self, s: str) -> bool:
+        a_mode = True
+        for c in s:
+            if c == "a" and not a_mode:
+                return False
+            elif c == "b" and a_mode:
+                a_mode = False
+        return True
+