https://leetcode.com/problems/delete-characters-to-make-fancy-string

easy/delete_characters_to_make_fancy_string.py

@@ -0,0 +1,17 @@
+# https://leetcode.com/problems/delete-characters-to-make-fancy-string
+
+class Solution:
+    def makeFancyString(self, s: str) -> str:
+        l = 0
+        old = None
+        result = []
+        for ch in s:
+            if old == None or old != ch:
+                old = ch
+                l = 1
+                result.append(old)
+            elif old == ch and l <= 2:
+                result.append(old)
+            l += 1
+        return ''.join(result)
+