Create 66-Plus-One.py

Author: neetcode-gh

66-Plus-One.py

@@ -0,0 +1,18 @@
+class Solution:
+    def plusOne(self, digits: List[int]) -> List[int]:
+        one = 1
+        i = 0
+        digits = digits[::-1]
+        
+        while one:
+            if i < len(digits):
+                if digits[i] == 9:
+                    digits[i] = 0
+                else:
+                    digits[i] += 1
+                    one = 0
+            else:
+                digits.append(one)
+                one = 0
+            i += 1
+        return digits[::-1]